Sudheer Venna

Do you want to get the best results in math tests? Refer to Go Math Grade 1 Chapter 7 Answer Key Compare Numbers. Get the free pdf of Go Math Grade 1 Answer Key Chapter 7 Compare Numbers now to start your practice. Just follow and grab more knowledge by referring to Go Math Grade 1 Chapter 7 Solution Key Compare Numbers.

Go Math Grade 1 Chapter 7 Answer Key Compare Numbers

Apply the math to real-time examples by learning the tricks using HMH Go Math Grade 1 Chapter 7 Answer Key Compare Numbers. The quick way of solving math problems will help the students to save time. So, students can practice more questions utilizing the time properly. If you want the best way of learning then you must use Go Math 1st Grade Chapter 7 Answer Key Compare Numbers.

Chapter 7: Compare Numbers

• Compare Numbers Show What You Know
• Compare Numbers Vocabulary Builder
• Compare Numbers Game Rainy Day Bingo
• Compare Numbers Vocabulary Game

Lesson: 1 Algebra • Greater Than

• Lesson 7.1 Algebra • Greater Than
• Algebra • Greater Than Homework & Practice 7.1

Lesson: 2 Algebra • Less Than

• Lesson 7.2 Algebra • Less Than
• Algebra • Less Than Homework & Practice 7.2

Lesson: 3 Algebra • Use Symbols to Compare

• Lesson 7.3 Algebra • Use Symbols to Compare
• Algebra • Use Symbols to Compare Homework & Practice 7.3

Mid-Chapter Checkpoint

• Compare Numbers Mid-Chapter Checkpoint

Lesson: 4 Problem Solving • Compare Numbers

• Lesson 7.4 Problem Solving • Compare Numbers
• Problem Solving • Compare Numbers Homework & Practice 7.4

Lesson: 5 10 Less, 10 More

• Lesson 7.5 10 Less, 10 More
• 10 Less, 10 More Homework & Practice 7.5

Review

• Compare Numbers Review/Test

Compare Numbers Show What You Know

Model More
Draw lines to match.
Circle the set that has more.
Question 1.

Answer:

Question 2.

Answer:

More, Fewer
Question 3.
Circle the row that has more.

Answer:

Question 4.
Circle the row that has fewer

Answer:

Draw Equal Groups
Question 5.
Draw a ball for each glove.

Answer:

Compare Numbers Vocabulary Builder

Visualize It
Draw pictures in the box to show more, fewer, or the same number.

Answer:

Understand Vocabulary
Complete the sentences with review words.
Question 1.
I see 2 white cats and 4 yellow cats. I see ______ yellow cats than white cats.
Answer: I see 2 white cats and 4 yellow cats. I see more yellow cats than white cats.

Question 2.
Dave has 9 grapes. Ann has 6 grapes. Ann has _______ grapes than Dave.
Answer: Dave has 9 grapes. Ann has 6 grapes. Ann has less grapes than Dave.

Question 3.
5 ducks and 5 swans are at the pond. There are the ______ number of ducks and swans.
Answer: 5 ducks and 5 swans are at the pond. There are the same number of ducks and swans.

Compare Numbers Game Rainy Day Bingo

Materials

Play with a partner.

1. Toss the
2. Use to cover one space that shows a number that is 1 more.
3. If you do not have a space that shows the number, your turn is over.
4. The other player takes a turn.
5. The first player to cover all of his or her spaces wins.
   

Compare Numbers Vocabulary Game

Guess the Word

Materials
timer
How to Play
Play with a partner.

1. Choose a math word from the Word Box. Do not tell your partner.
2. Set the timer.
3. Give a one-word clue.
4. Your partner tries to guess the secret word.
5. Repeat with a new one-word clue until your partner guesses correctly or time runs out.
6. Take turns.
7. The first player to correctly guess 5 words wins.

The Write Way
Reflect
Choose one idea. Draw and write about it.

• Write two questions you have about comparing numbers.
• Explain how to compare 43 and 35.

Lesson 7.1 Algebra • Greater Than

Essential Question How can you compare two numbers to find which is greater?

Listen and Draw

Use or an iTool to solve. Draw quick pictures to show your work.

MATHEMATICAL PRACTICES
How did you use tools to decide which number is greater?
Answer:

Share and Show

Use your MathBoard and to show each number.

Answer:

On Your Own

MATHEMATICAL PRACTICE Use a Concrete Model Use if you need to.

Answer:

Write or draw to solve.
Question 6.
THINK SMARTER
Pam and Jake play a game for points. Pam’s points are 1 ten 6 ones. Jake’s points are 1 one 6 ten’s. Who has the greatest number of points?

________
Answer: pam=1 ten +6 ones=10+6=16
jake=1 one +6 ten’s=1+60 =61
61>16

jake’s points are greatest than pam.

Question 7.
GO DEEPER
John has 51 cards. Paul has 32 cards. George has a stack of cards greater than either Paul or John. How many cards might George have?
____________
____________
Answer: John has 51 cards.
Paul has 32 cards.
George has a number of cards greater than either paul or john.
This means Gorge does have the number of cards greater than both paul and john.
The number of cards with john is 51 and the number of cars with Pail is 32 cards.
Therefore the number of cards that george may have is in between 33 and 51.
If George has any number of cards greater than 32 and less than 52, then this number of cards is greater than cards with Paul bus less than the cards with John.
The number of cards George has is >32 but <52

Problem Solving • Applications

Question 8.
THINK SMARTER
Color the balloons that show numbers greater than 56.

Answer:

Question 9.
THINK SMARTER
Compare. Is the math sentence true? Choose Yes or No.

Answer:

TAKE HOME ACTIVITY • Write 38, 63, 68, and 83 on slips of paper. Show your child two numbers, and ask which number is greater. Repeat with different pairs of numbers.

Algebra • Greater Than Homework & Practice 7.1

Use if you need to.

Answer:

Problem Solving
Question 4.
Color the blocks that show numbers greater than 47.

Answer:

Question 5.
WRITE
Write a number that is greater than 29. Draw quick pictures to explain.
Answer: 30

Lesson Check
Question 1.
Circle the number that is greater than 65. Write the numbers.
37
49
56
66
_____ is greater than _____.
_____ > _____
Answer: 66
66 is greater than 65.
66 > 65

Question 2.
Circle the number that is greater than 29. Write the numbers.
19
20
28
92
_____ is greater than _____.
_____ > _____
Answer:
92 is greater than 29.
92 > 29

Spiral Review
Question 3.
What is 5 + 7? Write the sum.
5 + 7 = _____
Answer:5 + 7 = 12

Question 4.
Count forward. Write the number that is missing.
110, 111, ____, 113, 114
Answer:110, 111, 112, 113, 114

Lesson 7.2 Algebra • Less Than

Essential Question How can you compare two numbers to find which is less?

Listen and Draw

Use to solve. Draw quick pictures to show your work.

MATHEMATICAL PRACTICES
Compare How does your drawing show which number is less? Explain.
Answer:

Share and Show

Use your MathBoard and to show each number.

Answer:

On Your Own

MATHEMATICAL PRACTICE Use a Concrete Model
GO DEEPER Use if you need to.

Answer:

Write a number to solve.
Question 8.
THINK SMARTER
Ella has 22 beads. Lauren has fewer beads than Ella. How many beads might Lauren have?
_______
Answer: 21
Ella has 22 deads
If Lauren has less than Ella
Then Lauren must have beads less than 22
21<22

Problem Solving • Applications

Write a number to solve.
Question 9.
THINK SMARTER
Nan makes the number 46. Marty makes a number that is less than 46. What could be a number Marty makes?
__________
Answer: 45
45 is less than 46.
45 < 46

Question 10.
THINK SMARTER
Jack makes the number 92. Kit makes a number that has fewer ones than 92. What could be a number Kit makes?

_________
Answer: 91
91 is less than 92.
91 < 92

Question 11.
THINK SMARTER
Write a number that is less than 67.

How do you know your number is less than 67?
Answer: 66
67=6 ten’s 7ones
66=6 ten’s 6ones
Therefore ones helps to identift the lesser number

TAKE HOME ACTIVITY • Write 47, 54, 57, and 74 on slips of paper. Show your child two numbers, and ask which number is less. Repeat with different pairs of numbers.

Algebra • Less Than Homework & Practice 7.2

Use if you need to.

Answer:

Problem Solving
Write a number to solve.
Question 4.
Lori makes the number 74. Gabe makes a number that is less than 74. What could be a number Gabe makes?
________
Answer:73
73 is less than 74.
73 < 74

Question 5.
WRITE
Write a number that is less than 41. Draw quick pictures to explain.
Answer: 40

Lesson Check
Question 1.
Circle the number that is less than 52. Write the numbers.
25
52
64
88
_____ is less than _____
____ < ____
Answer:25
25 is less than 52
25 < 52

Question 2.
Circle the number that is less than 76. Write the numbers.
100
81
77
59
_____ is less than _____
____ < ____
Answer:59
59 is less than 76.
59 < 76

Spiral Review
Question 3.
Write the number. What number does the model show?

_____ ten’s and ____ ones = ____
Answer: 30 ten’s and 7 ones = 37

Question 4.
Count by ten’s. Write the missing numbers.
8, 18, 28, ____, ____, 58
Answer: 8, 18, 28, 38, 48, 58

Lesson 7.3 Algebra • Use Symbols to Compare

Essential Question How can you use symbols to show how numbers compare?

Listen and Draw

Use . Draw quick pictures to show your work. Write the numbers to compare.

Answer:

MATHEMATICAL PRACTICES
Represent Compare 47 and 32 in two ways. What two symbols do you use?
Answer: 47 is greater than 32
32 is less than 47
47>32
32<47

Share and Show

Use . Draw to show each number. Write <, >, or =. Complete the sentence.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

On Your Own

MATHEMATICAL PRACTICE Use Symbols
GO DEEPER Write <, >, or =. Draw a quick picture if you need to.
Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

Question 9.

Answer:

Question 10.
THINK SMARTER
Gill and Rob win tokens in a game. Gill has 86 tokens. Rob has 61 tokens. 70 tokens are needed for a prize. Who has enough tokens for a prize? Write the number.

______
Answer: Gill has enough money.
Gill has 86 tokens.
Rob has 61 tokens.
The total tokens needed is 70
Gill has more than 70.
Rob has less than 70.
86>70
61<70

THINK SMARTER Write numbers to solve.
Question 11.
96 = _____
Answer: 96=96

Question 12.
53 > _____
Answer: 53 > 52

Question 13.
83 < _____
Answer: 83 < 84

Question 14.
40 < _____
Answer: 40 < 41

Question 15.
71 > ____
Answer: 71 > 70

Question 16.
29 = _____
Answer: 29 = 29

TAKE HOME ACTIVITY • Have your child show you how to write <, >, and = to compare two numbers. Ask him or her to use words to explain each comparison.

Algebra • Use Symbols to Compare Homework & Practice 7.3

Write <, >, or =. Draw a quick picture if you need to.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

Problem Solving
Write <, >, or = to solve. Circle your answer.
Question 9.
Tracey has 26 shells. Heba has 29 shells. Who has a greater number of shells?
Tracey Heba

Answer:

Question 10.
WRITE
Choose some numbers to compare to 55. Use <, >, and =.
Answer: 55<56
55>54
55=55
55= 5 tens 5 ones
54= 5 tens 4 ones
56=5 tens 6 ones

Lesson Check
Question 1.
Compare each pair of numbers. Write <, >, or =.

Answer:

Question 2.
Compare each pair of numbers. Write <, >, or =

Answer:

Spiral Review
Question 3.
What number does the model show? Write the numbers.

____ ten’s and ____ ones = ____
Answer: 7 ten’s and 9 ones = 79

Question 4.
Use the model. Write the number three different ways.

____ ten ____ones
___ + ____
_____
Answer: 1 ten 8 ones
10 + 8
18

Compare Numbers Mid-Chapter Checkpoint

Concepts and Skills

Circle the greater number. Write the numbers.
Question 1.
38
83
____ is greater than _____.
____ > ____
Answer: 83
83 is greater than 38.
83 > 38

Circle the number that is less. Write the numbers.
Question 2.
61
29
____ is less than _____.
____ < ____
Answer: 29
29 is less than 61.
29 < 61

Question 3.
Matt scores 34 points and wins the game. Lee scores points and does not win. The number of Lee’s points is less than the number of Matt’s points. Is Lee’s score 49 or 29?
_______
Answer: 29
Matt score is 34
34= 3 tens 4 ones.
49= 4 tens 9 ones.
29= 2 tens 9 ones.
49 is greater than 34.
49>34
Therefore lee’s score must be less than 34.
29 is less than 34.
29<34.

Question 4.
THINK SMARTER
Circle the symbol that makes the math sentence true.

Answer:

Lesson 7.4 Problem Solving • Compare Numbers

Essential Question How can making a model help you compare numbers?

Cassidy has the number cards shown below. She gives away the cards with numbers less than 49 and greater than 53. Which number cards does Cassidy have now?

HOME CONNECTION • Your child made a model of the problem. The numbers crossed out are less than 49 and also greater than 53. The remaining numbers solve the problem.

Try Another Problem

Make a model to solve.
Question 1.
Tony has these number cards. He gives away the cards with numbers less than 16 and greater than 19. Which number cards does Tony have now?

Tony has number cards _____ .
Answer: Tony has number cards 17,18,22.

Question 2.
Carol has these number cards. She keeps the cards with numbers greater than 98 and less than 95. Circle the number cards Carol keeps.

Carol keeps number cards ______.
Answer: Carol keeps number cards 99,91,90.

MATHEMATICAL PRACTICES
Model Explain how you can find the number cards Tony has now.
Answer:

Share and Show

MATHEMATICAL PRACTICE Use Models Make a model to solve.
Question 3.
Felipe has these number cards. He gives away cards with numbers less than 60 and greater than 65. Which number cards does Felipe have now?

Felipe has number cards ______.
Answer: Felipe has number cards 58,68.

Question 4.
THINK SMARTER
Molly underlines the number cards greater than 76 and circles the number cards less than 84. Which number cards are both greater than 76 and less than 84?

Number cards ________ are both greater than 76 and less than 84.
Answer: Number cards 78 and 82 are both greater than 76 and less than 84.

On Your Own

WRITE Choose a way to solve. Draw or write to explain.
Question 5.
GO DEEPER
Some cows were in the field. 6 more cows walked there. Then there were 13 cows. How many cows were in the field before?
______ cows
Answer: 7 cows

Explanation:
Given that,
Some cows were in the field. 6 more cows walked there.
Then there were 13 cows.
6+x=13
x=13-6
x=7

Question 6.
THINK SMARTER
Ed has 6 marbles. How many marbles can he put in a red cup and how many can he put in a blue cup?

____ + ____ = 6
Answer: 3+3-6

Question 7.
THINK SMARTER+
Lani has these number cards. Write each number in the box to show less than 24 or greater than 24.

Answer:

TAKE HOME ACTIVITY • Ask your child to tell you a number that is greater than 59 and a number less than 59.

Problem Solving • Compare Numbers Homework & Practice 7.4

Make a model to solve.
Question 1.
Ava has these number cards. She gives away cards with numbers less than 34 and greater than 38. Which number cards does Ava have now?

Ava has number cards ______.
Answer: Ava has number cards 35,37.

Question 2.
Ron has these number cards. He keeps the cards with numbers greater than 60 and less than 56. Circle the number cards Ron keeps.

Ron keeps number cards ______.
Answer: Ron keeps number cards 61,54.

Question 3.
WRITE
Write your own problem. Choose a secret number. Write clues about the number using the words is greater than and is less than.
________________
________________
Answer: x is greater than 98 and less than 100
x>98
x<100

Lesson Check
Question 1.
Juan crosses out the numbers that are less than 45 and greater than 50. Circle the numbers that are left.

Answer:

Spiral Review
Question 2.
Count back 3. Write is the difference.
9 – 3 = _____
Answer: 9-3=6

Question 3.
Write the number to complete the related facts.
4 + 7 = 11
7 + 4 = 11
11 – 4 = 7
____ – _____ = ____
Answer: 7 – 11=4

Lesson 7.5 10 Less, 10 More

Essential Question How can you identify numbers that are 10 less or 10 more than a number?

Listen and Draw

Use to solve. Draw quick pictures to show your work.

Pat ________
Tony _____
Jan ______

MATHEMATICAL PRACTICES
What number has one less 10 than 12? Explain.
Answer: 2
We are looking for a new number which is 10 less than 12.
We will get the new number by subtracting 10 from 12.
We write it down as:
12-10=2

Model and Draw

Answer:

Share and Show

Use mental math. Write the numbers that are 10 less and 10 more.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

On Your Own

MATHEMATICAL PRACTICE Apply Use mental math. Complete the chart. Explain your method.

Answer:

Question 16.
THINK SMARTER
Solve. I have 89 rocks. I want to collect 10 more. How many rocks will I have then?

_______ rocks
Answer: 99
89+10=99

Problem Solving • Applications

Choose a way to solve. Draw or write to show your work.
Question 17.
The plant has 4 fewer ladybugs on it than the tree. The tree has 7 ladybugs on it. How many ladybugs are on the plant?

______ lady bugs
Answer: 3 lady bugs.
Tree has 7 ladybugs on it.
Plant has 4 less than tree.
7-4=3

Question 18.
Amy has 7 ribbons. Charlotte has 9 ribbons. How many more ribbons does Charlotte have than Amy?

______ more ribbons
Answer: 2 more ribbons.
Amy has 7 ribbons.
Charlotte has 9 ribbons.
9-7=2

Question 19.
GO DEEPER
Margo has 28 stamps. Chet has 10 more stamps than Margo. Luis has 10 more stamps than Chet. How many stamps does Luis have?

_______ stamps
Answer: 48 stamps.
Margo has 28 stamps.
Chet has 10 more stamps than Margo = 28 +10 = 38.
Luis has 10 more stamps than Chet = 38 + 10 = 48.

Question 20.
THINK SMARTER+
Draw a quick picture to show a number that is 10 less than the model.

What is the new number?
Answer: What is the new number?

TAKE HOME ACTIVITY • Write a two-digit number, such as 25, 40, or 81. Ask your child to identify the numbers that are ten less than and ten more than that number. Repeat with other numbers.

10 Less, 10 More Homework & Practice 7.5

Use mental math. Complete the chart.

Answer:

Problem Solving
Choose a way to solve. Draw or write to show your work.
Question 5.
Jim has 16 books. Doug has 10 fewer books than Jim. How many books does Doug have?
______ books
Answer: Doug has 6 books.
16 – 10 = 6

Question 6.
WRITE
Choose a number from 10 to 90. Draw and write to show the numbers that are 10 less and 10 more than your number.
Answer:

Lesson Check
Question 1.
What number is 10 less than 67. Write the number.
_______
Answer:57
67-10=57

Question 2.
What number is 10 more than 39. Write the number.
________
Answer: 49
39+10=49

Spiral Review
Question 3.
How many ten’s and ones make this number? Write how many.

____ ten ____ ones
Answer: 1 ten 8 ones.

Question 4.
Look at the model. Write the number. What number does the model show?

_____ ten’s = ____
Answer: 7 ten’s = 70.

Compare Numbers Review/Test

Question 1.
Compare. Is the math sentence true? Choose Yes or No.

Answer:

Question 2.
Choose all the numbers that are less than 71.

Answer:

Question 3.
Circle the symbol that makes the math sentence true.

Answer:

Question 4.
Megan has these number cards. Write each number in the box to show less than 33 or greater than 33.

Answer:

Question 5.
Use mental math. Complete the chart.

Answer:

Question 6.
Write a number that is less than 30.
__________________
How do you know your number is less than 30?
_______________
Answer: 29
30 = 3 ten’s
29= 2 ten’s 9 ones
then’s help to know the number less than 30

Question 7.
Choose all the math sentences that are true.

Answer:

Question 8.
James circles the numbers that are less than 87 or greater than 91. Which numbers does James circle?

James circles ______ and _____.
Answer: James circles 86 and 92.

Question 9.
THINK SMARTER+
Draw a quick picture to show a number that is 10 more than the model.

Answer:

Question 10.
Compare. Is the math sentence true? Circle yes or no.

Answer:

Question 11.
GO DEEPER
Write <, >, or = to compare the numbers.

How do the drawings help you compare the numbers?
Answer:
Straight line indicates ten’s.
Circles indicates ones.
48=4 ten’s 8 ones.
36=3 ten’s 6 ones.
Therefore ten’s helping to compare the numbers.

Question 12.
Circle the words that make the sentence true.

Answer:
We have to compare the two numbers 88 and 90.
88 is less than 90.

Final Words:

We hope the details mentioned in the above pdf are helpful for all the grade 1 students. Go Math Grade 1 Answer Key Chapter 7 Compare Numbers PDF for download. Get the explanation for every problem along with practice questions. Students can easily solve any math questions in minutes with the help of Go Math Grade 1 Answer Key Ch 7 Compare Numbers.

Students who want to learn the fundamentals in Geometry and Fractions are suggest to go through the Go Math Grade 2 Answer Key Chapter 11 Geometry and Fraction Concepts. In this page we have provided the step by step expplanation for all the problems. Free Download pdf of Go Math 2nd Grade Chapter 11 Solution Key Geometry and Fraction Concepts is available here.

Go Math Grade 2 Chapter 11 Answer Key Geometry and Fraction Concepts

Quick and easy learning is possible with our Go Math Grade 2 Answer Key Chapter 11 Geometry and Fraction Concepts. We have covered all the topics as per the latest syllabus. The topics covered in Go Math Grade 2 Chapter 11 Answer Key Geometry and Fraction Concepts are Three-Dimensional Shapes, Attributes of Three-Dimensional Shapes, Partition Rectangles and so on. All you have to do is to click on the below attached links and start solving the problems.

Geometry and Fraction Concepts

• Geometry and Fraction Concepts Show What You Know
• Geometry and Fraction Concepts Vocabulary Builder
• Geometry and Fraction Concepts Vocabulary Game

Lesson: 1 Three-Dimensional Shapes

• Lesson 11.1 Three-Dimensional Shapes
• Three-Dimensional Shapes Homework & Practice 11.1

Lesson: 2 Attributes of Three-Dimensional Shapes

• Lesson 11.2 Attributes of Three-Dimensional Shapes
• Attributes of Three-Dimensional Shapes Homework & Practice 11.2

Lesson: 3 Build Three-Dimensional Shapes

• Lesson 11.3 Build Three-Dimensional Shapes
• Build Three-Dimensional Shapes Homework & Practice 11.3

Lesson: 4 Two-Dimensional Shapes

• Lesson 11.4 Two-Dimensional Shapes
• Two-Dimensional Shapes Homework & Practice 11.4

Lesson: 5 Angles in Two-Dimensional Shapes

• Lesson 11.5 Angles in Two-Dimensional Shapes
• Angles in Two-Dimensional Shapes Homework & Practice 11.5

Lesson: 6 Sort Two-Dimensional Shapes

• Lesson 11.6 Sort Two-Dimensional Shapes
• Sort Two-Dimensional Shapes Homework & Practice 11.6

Lesson: 7 Partition Rectangles

• Lesson 11.7 Partition Rectangles
• Partition Rectangles Homework & Practice 11.7

Mid-Chapter Checkpoint

• Geometry and Fraction Concepts Mid-Chapter Checkpoint

Lesson: 8 Equal Parts

• Lesson 11.8 Equal Parts
• Equal Parts Homework & Practice 11.8

Lesson: 9 Show Equal Parts of a Whole

• Lesson 11.9 Show Equal Parts of a Whole
• Show Equal Parts of a Whole Homework & Practice 11.9

Lesson: 10 Describe Equal Parts

• Lesson 11.10 Describe Equal Parts
• Describe Equal Parts Homework & Practice 11.10

Lesson: 11 Problem Solving • Equal Shares

• Lesson 11.11 Problem Solving • Equal Shares
• Problem Solving • Equal Shares Homework & Practice 11.11

Review/Test

• Geometry and Fraction Concepts Review/Test

Geometry and Fraction Concepts Show What You Know

Equal Parts
Circle the shape that has two equal parts.
Question 1.

Answer:

Question 2.

Answer:

Identify Three-Dimensional Shapes
Question 3.

Answer:

Question 4.

Answer:

Identify Shapes
Circle all the shapes that match the shape name.
Question 5.
triangle

Answer:

Question 6.
rectangle

Answer:

Geometry and Fraction Concepts Vocabulary Builder

Visualize It
Draw pictures to complete the graphic organizer.

Answer:

Understand Vocabulary
Draw a shape to match the shape name.

Answer:

Geometry and Fraction Concepts Game: Count the Sides

2. Look for a shape that has the same number of sides as the number you tossed.
3. Put one of your counters on that shape.
4. Take turns. Cover all the shapes. The player with more counters on the board wins.

Geometry and Fraction Concept Vocabulary

Geometry and Fraction Concepts Vocabulary Game

Going to a Balloon Race



The Write Way
Reflect
Choose one idea. Write about it in the space below.

• Draw and write about all of the words. Use a separate piece of paper for your drawings. face edge vertex
• Choose one of these shapes. Write three things you know about it. quadrilateral pentagon hexagon
• Explain how you know the difference between halves, thirds, and fourths. Draw pictures on a separate piece of paper if you need to.
  

Lesson 11.1 Three-Dimensional Shapes

Essential Question What objects match three-dimensional shapes?

Listen and Draw
Draw a picture of an object with the same shape shown.

Answer:
Drawn a picture of an object with the same shape shown.

MATHEMATICAL PRACTICES

Appy Describe how the shapes are alike.
Describe how they are different.
Answer:
Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent, and the ratios of the lengths of their corresponding sides are equal.

Share and Show
Circle the objects that match the shape name.
Question 1.
sphere

Answer:

Question 2.
cube

Answer:

On Your Own
Circle the objects that match the shape name.
Question 3.
cylinder

Answer:

Question 4.
rectangular prism

Answer:

Question 5.
cone

Answer:

Question 6.
GO DEEPER
Julio used cardboard squares as the flat surfaces of a cube. How many squares did he use?
______ squares
Answer: 6 squares.
Explanation: Julio used cardboard squares as the flat surfaces of a cube. How many squares did he used 6 squares

Question 7.
THINK SMARTER
Circle the shapes that have a curved surface. Draw an X on the shapes that do not have a curved surface.

Answer:

Problem Solving • Applications
Question 8.
Make Connections
Reba traced around the bottom of each block. Match each block with the shape Reba drew.

Answer:

Question 9.
THINK SMARTER
Match the shapes.

Answer:

TAKE HOME ACTIVITY • Ask your child to name an object that has the shape of a cube

Three-Dimensional Shapes Homework & Practice 11.1

Circle the objects that match the shape name.
Question 1.
cube

Answer:

Question 2.
cone

Answer:

Question 3.
rectangular prism

Answer:

Problem Solving
Question 4.
Lisa draws a circle by tracing around the bottom of a block. Which could be the shape of Lisa’s block? Circle the name of the shape.
cone cube rectangular prism
Answer: A cone, or a cylinder, Since the bottom of each 3D object is a circle compared to 2D it is a circle.

Question 5.
WRITE
Describe one way that a cube and a cylinder are alike. Describe one way they are different.
Answer:
Same: Cude and a cylinder both alike as they are 3D shapes.
Different: A cube has vertices. where a cylinder doesn’t have any vertices.

Lesson Check
Question 1.
What is the name of this shape?

_______
Answer: Cube
Explanation:
a cube is a three-dimensional solid object bounded by six square faces, facets, or sides, with three meetings at each vertex.
The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices

Question 2.
What is the name of this shape?

______
Answer: cone
Explanation:
A cone is a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex

Spiral Review
Question 3.
The string is about 6 centimeters long. What is a reasonable estimate for the length of the crayon?

_____ centimeters
Answer: 8 Centimeters

Question 4.
What is the total value of this group of coins?

______
Answer:  16 cents
Explanation:
By observing given picture we get penny nickel and dime
10 cents + 5 cents +  1 cent = 16 cents

Question 5.
What time is shown on this clock?

_______
Answer: 10 : 30.

Lesson 11.2 Attributes of Three-Dimensional Shapes

Essential Question How would you describe the faces of a rectangular prism and the faces of a cube?

Listen and Draw
Circle the cones. Draw an X on the sphere.

Answers:

MATHEMATICAL PRACTICES
Name the other shapes on this page. Describe how they are different.
Answer:
Other common shapes are points, lines, planes, and conic sections such as ellipses, circles, and parabolas. Among the most common 3-dimensional shapes are polyhedra, which are shapes with flat faces; ellipsoids, which are egg-shaped or sphere-shaped objects, cylinder,s and cones.

Share and Show

Write how many for each.
Question 1.

Answer:

Question 2.

Answer:

On Your Own
Question 3.
GO DEEPER
Use dot paper. Follow these steps to draw a cube.

Answer:

Question 4.
THINK SMARTER
Trace all the faces of a rectangular prism on a sheet of paper. Write to tell about the shapes that you drew.

Answer:
a type of prism (a three-dimensional shape where the cross-section indicates the type of prism — so a triangular prism would have a triangular cross-section, a rectangular prism would have a rectangular cross-section, a square prism would have a square cross-section, and so on). “Cross-section” is just a fancy way of saying slicing the object like you would a loaf of bread — each “slice” of a prism is identical.

Problem Solving • Applications
Question 5.
Make Connections
Marcus traced around the faces of a three-dimensional shape. Circle the name of the shape he used.

Answer:

Question 6.
THINK SMARTER
Use the words on the tiles to label the parts of the cube.

Describe the faces of a cube.
___________________
___________________
Answer:

A cube is a 3D shape
Cube has 6 faces
All the 6 faces are of equal dimensions

TAKE HOME ACTIVITY • Have your child tell you about the faces on a cereal box or another kind of box.

Attributes of Three-Dimensional Shapes Homework & Practice 11.2

Circle the set of shapes that are the faces of the three-dimensional shape.
Question 1.

Answer:

Question 2.

Answer:

Problem Solving
Question 3.
Kevin keeps his marbles in a container that has the shape of a cube. He wants to paint each face a different color. How many different paint colors does he need?
______ different paint colors
Answer: 6 different paint colors

Question 4.
WRITE
Describe a cube. Use the words, faces, edges, and vertices in your description.
______________________
______________________
Answer: A cube is a three-dimensional solid object
Cube contains of 6 faces,12 edegs and 8 vertices.
One best elample of a cube is dies.

Lesson Check
Question 1.
How many faces does a cube have?

______ faces
Answer: 6 faces
a cube is a three-dimensional solid object bounded by six square faces, facets, or sides, with three meetings at each vertex.
The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices

Question 2.
How many faces does a rectangular prism have?

________ faces
Answer: 6 faces
A rectangular prism has 8 vertices, 12 sides, and 6 rectangular faces. All the opposite faces of a rectangular prism are equal.
A rectangular prism has a rectangular cross-section.

Spiral Review
Question 3.
What time is shown on this clock?

Answer: 09 : 15

Question 4.
Circle the cone.

Answer:

Question 5.
Use the line plot. How many books are 8 inches long?

Answer: 2 books.
Explanation: by observing the line plot there are 2 books

Lesson 11.3 Build Three-Dimensional Shapes

Essential Question How can you build a rectangular prism?

Listen and Draw
Circle the shapes with curved surfaces. Draw an X on the shapes with flat surfaces.

Answer:

HOME CONNECTION • Your child sorted the shapes on this page using the attributes of the shapes.

MATHEMATICAL PRACTICES

Name the shapes you drew an X on. Describe how they are different.
Answer: The shapes with X on them are cube and rectangular prism.
Both cube and rectangular prism has equal number of faces, edegs and vetrices.
The cube and rectangular prism are diffrent from other shapes because they have edegs and vertices where as cone cylinder and sphere doesnt.

Share and Show
Build a rectangular prism with the given number of unit cubes. Shade to show the top and front views.
Question 1.
9 unit cubes

Answer:

Question 2.
16 unit cubes

Answer:

On Your Own
Build a rectangular prism with the given number of unit cubes. Shade to show the top and front views.
Question 3.
24 unit cubes

Answer:

Question 4.
THINK SMARTER
The top, side, and front views of a rectangular prism are shown. Build the prism. How many unit cubes are used to build the solid?

__________ unit cubes
Answer: 30 unit cubes

Question 5.
Analyze
Jen uses 18 cubes to build a rectangular prism. The top and front views are shown. Shade to show the side view.

Answer:

Problem Solving • Applications
Solve. Write or draw to explain.
Question 6.
GO DEEPER
Tomas built this rectangular prism. How many unit cubes did he use?

_____ cubes
Answer: 24 cubes
Explanation: Tomas built this rectangular prismhe used 24 unit cubes

Question 7.
Look for Structure
Theo builds the first layer of a rectangular prism using 4 cubes. He adds 3 more layers of 4 cubes each. How many cubes are used for the prism?
______ cubes
Answer: 12 cubes

Explanation:
Theo builds the first layer of a rectangular prism using 4 cubes. He adds 3 more layers of 4 cubes each. cubes are used for the prism are
24  cubes

Question 8.
THINK SMARTER
Tyler built this rectangular prism using unit cubes. Then he took it apart and used all of the cubes to build two new prisms. Fill in the bubble next to the two prisms he built.

Answer:

TAKE HOME ACTIVITY • Ask your child to show how he or she solved an exercise in the lesson.

Build Three-Dimensional Shapes Homework & Practice 11.3

Build a rectangular prism with the given number of unit cubes. Shade to show the top and front views.
Question 1.

Answer:

Problem Solving
Solve. Write or draw to explain.
Question 2.
Rosie built this rectangular prism. How many unit cubes did she use?
_____ unit cubes
Answer: 16 unit cubes

Explanation:
Rosie built this rectangular prism he used 16 cubes

Question 3.
WRITE
Build a rectangular prism using cubes. Then, draw in your journal the top, side, and bottom views of your prism.

Answer:

Lesson Check
Question 3.
Milt builds the first layer of a rectangular prism using 3 cubes. He adds 2 more layers of 3 cubes each. How many cubes are used for the prism?
_____ cubes
Answer: 9 cubes.

Explanation:
Given Milt builds the first layer of a rectangular prism using 3 cubes. He adds 2 more layers of 3 cubes each.
then we get 9 cubes

Question 4.
Thea builds the first layer of a rectangular prism using 4 cubes. Raj adds 4 more layers of 4 cubes each. How many cubes are used for the prism?
_____ cubes
Answer: 12 cubes

Explanation:
Given Thea builds the first layer of a rectangular prism using 4 cubes. Raj adds 4 more layers of 4 cubes each.
then we get 12 cubes.

Spiral Review
Question 5.
Patti’s dance class will meet for 1 year. Her art class will meet for 32 weeks. Which is the greater amount of time?
___________
Answer: Dance class
As 1 year=356 days/366 days(leap year)=52 weeks which is more than 32 weeks.
Explanation:
Given Patti’s dance class will meet for 1 year. Her art class will meet for 32 weeks
Dance class
As 1 year=356 days/366 days(leap year)=52 weeks which is more than 32 weeks.

Question 6.
A large pack has 512 beads. A small pack has 346 beads. Estimate how many more beads the large pack has than the small pack.
about _____ more beads
Answer: about 166 more beads
Explanation:
Given A large pack has 512 beads. A small pack has 346 beads
There are 166 more beads the large pack has than the small pack.

Use the bar graph.

Question 7.
Which kind of fruit got the fewest votes?
_______
Answer: Apple

Question 8.
How many more votes did grape get than apple?
_____ more votes
Answer: 3 more votes

Lesson 11.4 Two-Dimensional Shapes

Essential Question What shapes can you name just by knowing the number of sides and vertices?

Listen and Draw
Use a ruler. Draw a shape with 3 straight sides. Then draw a shape with 4 straight sides.

Answer:

MATHEMATICAL PRACTICES
Describe how your shapes are different from the shapes a classmate drew.
Answer:

Share and Show

Write the number of sides and the number of vertices.
Question 1.
triangle

_____ sides
______ vertices
Answer:
3 sides
3 vertices
A triangle is a polygon with three sides and three vertices.

Question 2.
hexagon

_____ sides
______ vertices
Answer:
6 sides
6 vertices
a hexagon can be defined as a polygon with six sides. The two-dimensional shape has 6 sides, 6 vertices, and 6 angles.

Question 3.
pentagon

_____ sides
______ vertices
Answer:
5 sides
5 vertices
A pentagon has five straight sides and five vertices (corners). It has five angles inside it that add up to 540°

On Your Own
Write the number of sides and the number of vertices. Then write the name of the shape.
Question 4.

_____ sides
______ vertices
_______
Answer:
6 sides
6 vertices
Hexagon
a hexagon can be defined as a polygon with six sides. The two-dimensional shape has 6 sides, 6 vertices and 6 angles

Question 5.

Answer:
4 sides
4 vertices
Square
A square has 4 sides and 4 vertices. All the sides of a square are equal in length. All interior angles are equal and right angles.

Question 6.

Answer:
4 sides
4 vertices
Quadrilateral
A quadrilateral has 4 sides, 4 angles and 4 vertices. A quadrilateral can be regular or irregular

Question 7.

Answer:
3 sides
3 vertices
Triangle
A triangle is a polygon with three edges and three vertices.

Question 8.

Answer:
5 sides
5 vertices
Pentagon
A pentagon has five straight sides and five vertices (corners).

Question 9.

Answer:
4 sides
4 vertices
Quadrilateral
A quadrilateral has 4 sides, 4 angles and 4 vertices. A quadrilateral can be regular or irregular

GO DEEPER
Draw more sides to make the shape.
Question 10.
pentagon

Answer:

Question 11.
quadrilateral

Answer:

Question 12.
hexagon

Answer:

Problem Solving • Applications

Solve. Draw or write to explain.
Question 13.
THINK SMARTER
Alex draws a hexagon and two pentagons. How many sides does Alex draw altogether?

Answer: 6 sides.

Question 14.
Use Diagrams
Ed draws a shape that has 4 sides. It is not a square. It is not a rectangle. Draw a shape that could be Ed’s shape.
Answer:

Question 15.
THINK SMARTER
Count the sides and vertices of each two-dimensional shape. Draw each shape where it belongs in the chart.

Answer:

TAKE HOME ACTIVITY • Ask your child to draw a shape that is a quadrilateral.

Two-Dimensional Shapes Homework & Practice 11.4

Write the number of sides and the number of vertices. Then write the name of the shape.
Question 1.

______ sides
_______ vertices
Answer:
The above figure shows that there are:
3 sides
3 vertices
Triangle
A triangle is a polygon with three edges and three vertices.

Question 2.

______ sides
_______ vertices
Answer:
The above figure shows that there are:
6 sides
6 vetrices.
Hexagon
a hexagon can be defined as a polygon with six sides.

Question 3.

______ sides
_______ vertices
Answer:
The above figure shows that there are:
5 sides
5 vertices
Pentagon
A pentagon has five straight sides and five vertices (corners). It has five angles inside

Problem Solving
Solve. Draw or write to explain.
Question 4.
Oscar is drawing a picture of a house. He draws a pentagon shape for a window. How many sides does his window have?
______ sides
Answer: 5 sides.

Question 5.
WRITE
Draw and label a pentagon and a quadrilateral.
Answer:

Lesson Check
Question 1.
How many sides does a hexagon have?

_____ sides
Answer:
By seeing the above figure we can say that the hexagon contains 6 sides.
a hexagon can be defined as a polygon with six sides

Question 2.
How many vertices does a quadrilateral have?

______ vertices
Answer: By seeing the above figure we can say that the 4 vertices.
A quadrilateral has 4 sides, 4 angles and 4 vertices

Spiral Review
Question 3.
Use a centimeter ruler. What is the length of the ribbon to the nearest centimeter?

Answer: 11 centimeters

Question 4.
Look at the picture graph. How many more children chose apples than oranges?

______ children
Answer: 2 more children.

Lesson 11.5 Angles in Two-Dimensional Shapes

Essential Question How do you find and count angles in two-dimensional shapes?

Listen and Draw
Use a ruler. Draw two different triangles. Then draw two different rectangles.

Answer:

MATHEMATICAL PRACTICES
Describe a triangle and a rectangle. Tell about their sides and vertices.
Answer:
Triangle is a 3 faced shape with 3 sides and 3 vertices.
The rectangle is a 4 faces shape with 4 sides and 4 vertices.

Share and Show

Circle the angles in each shape. Write how many.
Question 1.

______ angles
Answer: 5 angles.

Question 2.

_____ angles
Answer: 6 angles.

Question 3.

_____ angles
Answer: 4 angles.

Question 4.

_____ angles
Answer: 5 angles

On Your Own
Circle the angles in each shape. Write how many.
Question 5.

______ angles
Answer: 3 angles.

Question 6.

_____ angles
Answer: 4 angles

Question 7.

_____ angles
Answer: 4 angles

Question 8.

_____ angles
Answer: 6 angles.

Question 9.
THINK SMARTER
Draw more sides to make the shape. Write how many angles.

Answer:

Problem Solving • Applications

Question 10.
Draw two shapes that have 7 angles in all.

Answer:

Question 11.
Use Diagrams
Ben drew 3 two-dimensional shapes that had 11 angles in all. Draw shapes Ben could have drawn.

Answer:

Question 12.
THINK SMARTER
Fill in the bubble next to all the shapes that have 5 angles.

Answer:

TAKE HOME ACTIVITY • Ask your child to draw a shape with 4 sides and 4 angles.

Angles in Two-Dimensional Shapes Homework & Practice 11.5

Circle the angles in each shape. Write how many.
Question 1.

______ angles
Answer: 4 angles.

Question 2.

_____ angles
Answer: 5 angles.

Problem Solving
Question 3.
Logan drew 2 two-dimensional shapes that had 8 angles in all. Draw shapes Logan could have drawn.

Answer:

Question 4.
WRITE
Draw a two-dimensional shape with 4 angles. Circle the angles. Write the name of the two-dimensional shape you drew.
Answer: Quadrilateral

Lesson Check
Question 1.
How many angles does this shape have?

_____ angles
Answer: 5 angles

Question 2.
How many angles does this shape have?

______ angles
Answer: 3 angles

Spiral Review
Question 3.
Use an inch ruler. What is the length of the string to the nearest inch?

Answer: 14 inch

Question 4.
Look at the picture graph. How many children chose daisies?

_____ children
Answer: 5 childrens.

Lesson 11.6 Sort Two-Dimensional Shapes

Essential Question How do you use the number of sides and angles to sort two-dimensional shapes?

Listen and Draw
Make the shape with pattern blocks. Draw and color the blocks you used.

MATHEMATICAL PRACTICES
Describe how you could sort the blocks you used.
Answer:

Share and Show

Circle the shapes that match the rule.
Question 1.
Shapes with 5 sides

Answer:

Question 2.
Shapes with more than 3 angles

Answer:

Question 3.
Shapes with fewer than 4 angles

Answer:

Question 4.
Shapes with fewer than 5 sides

Answer:

On Your Own
Circle the shapes that match the rule.
Question 5.
Shapes with 4 sides

Answer:

Question 6.
Shapes with more than 4 angles

Answer:

Question 7.
Shapes with fewer than 4 angles

Answer:

Question 8.
Shapes with fewer than 5 sides

Answer:

Question 9.
THINK SMARTER
Draw three shapes that match the rule. Circle them. Then draw two shapes that do not match the rule.
Shapes with fewer than 5 angles

Answer:

Problem Solving • Applications

Question 10.
Make Connections
Sort the shapes.

• Use red to color the shapes with more than 4 sides.
• Use blue to color the shapes with fewer than 5 angles.
  
  Answer:
  

Question 11.
Draw each shape where it belongs in the chart.

Answer:

TAKE HOME ACTIVITY • Ask your child to draw some shapes that each have 4 angles.

Sort Two-Dimensional Shapes Homework & Practice 11.6

Circle the shapes that match the rule.
Question 1.
Shapes with fewer than 5 sides

Answer:

Question 2.
Shapes with more than 4 sides

Answer:

Problem Solving
Question 3.
Tammy drew a shape with more than 3 angles. It is not a hexagon. Which shape did Tammy draw?

Answer: pentagon

Question 4.
WRITE
Think about the rules Shapes that have more than 3 angles. Draw three shapes that match this rule.
Answer:

Lesson Check
Question 1.
Which shape has fewer than 4 sides?

Answer:

Spiral Review
Question 2.
Use an inch ruler. What is the length of the pencil to the nearest inch?

Answer: 14 inch

Question 3.
Use the tally chart. How many children chose basketball as their favorite sport?

_____ children
Answer: 7 children chose basketball as their favorite sport

Lesson 11.7 Partition Rectangles

Essential Question How do you find the total number of same-size squares that will cover a rectangle?

Listen and Draw
Put several color tiles together. Trace around the shape to draw a two-dimensional shape.

HOME CONNECTION • After putting together tiles, your child traced around them to draw a two-dimensional shape. This activity is an introduction to partitioning a rectangle into several same-size squares.

MATHEMATICAL PRACTICES
Is there a different shape that can be made with the same number of tiles? Explain.
Answer:

Share and Show
Use color tiles to cover the rectangle.
Trace around the square tiles. Write how many.
Question 1.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 4
Number of columns: 4
Total: 16 square tiles

Question 2.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 2
Number of columns: 6
Total: 12 square tiles

On Your Own
Use color tiles to cover the rectangle.
Trace around the square tiles. Write how many.
Question 3.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 3
Number of columns: 5
Total: 15 square tiles

Question 4.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 2
Number of columns: 4
Total: 8 square tiles

Question 5.
THINK SMARTER
Mary started to cover this rectangle with ones blocks. Explain how you would estimate the number of ones blocks that would cover the whole rectangle.

Answer: 6 one blocks

TAKE HOME ACTIVITY • Have your child describe what he or she did in this lesson.

Partition Rectangles Homework & Practice 11.7

Use color tiles to cover the rectangle.
Trace around the square tiles. Write how many.
Question 1.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 4
Number of columns: 5
Total: 20 square tiles

Question 2.

Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 2
Number of columns: 4
Total: 8 square tiles

Problem Solving
Solve. Write or draw to explain.
Question 3.
Nina wants to put color tiles on a square. 3 color tiles fit across the top of the square. How many rows and columns of squares will Nina need? How many color tiles will she use in all?
______ tiles
Number of rows: ______
Number of columns: ______
Total: _____ square tiles
Answer:

Number of rows: 3
Number of columns: 3
Total: 9 square tiles

Question 4.
WRITE
Look at Exercise 1 above. Is there a different-shaped rectangle that you could cover with 6 tiles? Explain.
Answer:

Lesson Check
Question 1.
Use color tiles to cover the rectangle. How many tiles did you use?

_____ tiles
Answer:

12 tiles

Spiral Review
Question 2.
How many faces does a cube have?

____ faces
Answer: 6 faces

Question 3.
How many angles does this shape have?

_____ angles
Answer: 6 angles

Question 4.
Use the tally chart. How many more children chose art than reading?

_____ children
Answer: 1 child

Geometry and Fraction Concepts Mid-Chapter Checkpoint

Concepts and Skills
Circle the objects that match the shape name.
Question 1.
cylinder

Answer:

Question 2.
cube

Answer:

Write the number of sides and the number of vertices.
Question 3.
quadrilateral

_____ sides
______ vertices
Answer:
4 sides
4 vertices

Question 4.
pentagon

_____ sides
_____ vertices
Answer:
4 sides
4 vertices

Question 5.
hexagon

_____ sides
_______ vertices
Answer:
6 sides
6 vertices

Question 6.
THINK SMARTER
How many angles does this shape have?

______ angles
Answer: 5 angles

Lesson 11.8 Equal Parts

Essential Question What are halves, thirds, and fourths of a whole?

Listen and Draw
Put pattern blocks together to match the shape of the hexagon. Trace the shape you made.

MATHEMATICAL PRACTICES
Compare models
Describe how the shapes you used are different from the shapes a classmate used.
Answer:
Other common shapes are points, lines, planes, and conic sections such as ellipses, circles, and parabolas. Among the most common 3-dimensional shapes are polyhedra, which are shapes with flat faces; ellipsoids, which are egg-shaped or sphere-shaped objects, cylinders, and cones.

Share and Show
Write how many equal parts there are in the whole.
Write halves, thirds, or fourths to name the equal parts.
Question 1.

____ equal parts
__________
Answer: 2 equal parts
Halves

Question 2.

____ equal parts
__________
Answer:  3 equal parts
Thirds

Question 3.

____ equal parts
__________
Answer: 4 equal parts
Fourths

Question 4.

____ equal parts
__________
Answer: 3 equal parts
Thirds

Question 5.

____ equal parts
__________
Answer: 2 equal parts
Halves

Question 6.

____ equal parts
__________
Answer: 4 equal parts
Fourths

On Your Own
Write how many equal parts there are in the whole.
Write halves, thirds, or fourths to name the equal parts.
Question 7.

____ equal parts
__________
Answer: 2 equal parts
Halves

Question 8.

____ equal parts
__________
Answer: 4 equal parts
Fourths

Question 9.

____ equal parts
__________
Answer: 3 equal parts
Thirds

Question 10.

____ equal parts
__________
Answer: 3 equal parts
Thirds

Question 11.

____ equal parts
__________
Answer: 4 equal parts
Fourths

Question 12.

____ equal parts
__________
Answer: 2 equal parts
Halves

Question 13.
THINK SMARTER
Draw to show halves. Explain how you know that the parts are halves.

Answer:

Problem Solving • Applications
Question 14.
Make Connections Sort the shapes.

• Draw an X on shapes that do not show equal parts.
• Use red to color the shapes that show thirds.
• Use blue to color the shapes that show fourths.
  
  Answer:
  

Question 15.
Draw lines to show fourths three different ways.

Explain how you know that the parts are fourths.
___________________
____________________
Answer:

TAKE HOME ACTIVITY • Ask your child to fold one sheet of paper into halves and another sheet of paper into fourths.

Equal Parts Homework & Practice 11.8

Write how many equal parts there are in the whole.
Write halves, thirds, or fourths to name the equal parts.
Question 1.

______ equal parts
__________
Answer: 4 equal parts
Fourths

Question 2.

______ equal parts
__________
Answer: 2 equal parts
Halves

Question 3.

______ equal parts
__________
Answer: 3 equal parts
Thirds

Problem Solving
Question 4.
Sort the shapes.

• Draw an X on the shapes that do not show equal parts.
• Circle the shapes that show halves
  
  Answer:
  

Question 5.
WRITE
Look at the shapes in Exercise 4. Describe the shapes that you did not put an X on or circle.
____________________
_____________________
Answer:
the shapes that you did not put an X on or circle because other images have half divided quantity

Lesson Check
Question 1.
What are the 3 equal parts of the shape called?

________
Answer: thirds

Question 2.
What are the 4 equal parts of the shape called?

_______
Answer: fourths

Spiral Review
Question 3.
What is the sum?

Answer: 33

Question 4.
What is the difference?

Answer: 44

Question 5.
Circle the quadrilateral.

Answer:

Question 6.
Circle the hexagon.

Answer:

Lesson 11.9 Show Equal Parts of a Whole

Essential Question How do you know if a shape shows halves, thirds, or fourths?

Listen and Draw
Circle the shapes that show equal parts.

Answer:

HOME CONNECTION • Your child completed this sorting activity with shapes to review the concept of equal parts.

MATHEMATICAL PRACTICES
Does the triangle show halves? Explain.
Answer: Yes,if the triangle id divided exactly at an angle of 90 degrees then it can be cut half.

Share and Show
Draw to show equal parts.
Question 1.
thirds

Answer:

Question 2.
halves

Answer:

Question 3.
fourths

Answer:

Question 4.
halves

Answer:

Question 5.
fourths

Answer:

Question 6.
thirds

Answer:

On Your Own
Draw to show equal parts.
Question 7.
halves

Answer:

Question 8.
fourths

Answer:

Question 9.
thirds

Answer:

Question 10.
thirds

Answer:

Question 11.
halves

Answer:

Question 12.
fourths

Answer:

Question 13.
halves

Answer:

Question 14.
thirds

Answer:

Question 15.
fourths

Answer:

Question 16.
Does this shape show thirds? Explain.

Answer: No,The square is divided into three but thry are not equally divided.

Problem Solving • Applications
Question 17.
Colton and three friends want to share a pizza equally. Draw to show how the pizza should be divided.

Answer:

Question 18.
GO DEEPER
There are two square pizzas. Each pizza is cut into fourths. How many pieces of pizza are there?
______ pieces
Answer: 8 Pieces

Question 19.
THINK SMARTER
Fill in the bubble next to the shapes that show thirds. Explain your answer.

________________
________________
Answer: The bubbled shapes are equally divided into thirds.

TAKE HOME ACTIVITY • Have your child describe how to show equal parts of a shape.

Show Equal Parts of a Whole Homework & Practice 11.9

Draw to show equal parts.
Question 1.
halves

Answer:

Question 2.
fourths

Answer:

Question 3.
thirds

Answer:

Question 4.
thirds

Answer:

Question 5.
halves

Answer:

Question 6.
fourths

Answer:

Problem Solving
Solve. Write or draw to explain.
Question 7.
Joe has one sandwich. He cuts the sandwich into fourths. How many pieces of sandwich does he have?
_____ pieces
Answer: 4 pieces

Question 8.
WRITE
Draw three rectangles. Then draw to show halves, thirds, and fourths. Write about each whole that you have drawn.
Answer:

Lesson Check
Question 1.
Circle the shape divided into fourths.

Answer:

Spiral Review
Question 2.
How many angles does this shape have?

______ angles
Answer: 5 angles

Question 3.
How many faces does a rectangular prism have?

______ Faces
Answer: 6 faces

Question 4.
Use a centimeter ruler. Measure the length of each object. How much longer is the ribbon than the string?

_____ centimeter long
Answer:
5 centimeter long

Lesson 11.10 Describe Equal Parts

Essential Question How do you find a half of, a third of, or a fourth of a whole?

Listen and Draw
Find shapes that show fourths and color them green.
Find shapes that show halves and color them red.

Answer:

HOME CONNECTION • Your child identified the number of equal parts in shapes to review describing equal parts of a whole.

MATHEMATICAL PRACTICES
Describe how the thirds in the unshaded shapes compare to each other.
Answer: In both the rectangles the thirds are equally divided but one is divided horizontally and the other is divided vertically, And the circle is equally divided into three.

Share and Show
Draw to show thirds.
Color a third of the shape.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Draw to show fourths.
Color a fourth of the shape.
Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

On Your Own
Draw to show halves.
Color a half of the shape
Question 7.

Answer:

Question 8.

Answer:

Question 9.

Answer:

Draw to show thirds.
Color a third of the shape.
Question 10.

Answer:

Question 11.

Answer:

Question 12.

Answer:

Draw to show fourths.
Color a fourth of the shape.
Question 13.

Answer:

Question 14.

Answer:

Question 15.

Answer:

Problem Solving • Applications
Question 16.
THINK SMARTER
Two posters are the same size. A third of one poster is red, and a fourth of the other poster is blue.
Is the red part or the blue part larger? Draw and write to explain.

Answer:

Question 17.
THINK SMARTER
Draw to show halves, thirds, and fourths. Color a half, a third, or a fourth of the shape.

Answer:

Describe Equal Parts Homework & Practice 11.10

Draw to show halves.
Color a half of the shape.
Question 1.

Answer:

Question 2.

Answer:

Draw to show thirds.
Color a third of the shape.
Question 3.

Answer:

Question 4.

Answer:

Problem Solving
Question 5.
Circle all the shapes that have a third of the shape shaded.

Answer:

Question 6.
WRITE
Draw pictures to show a third of a whole and a fourth of a whole. Label each picture.
Answer:

Lesson Check
Question 1.
Circle the shape that is half-shaded.

Answer:

Spiral Review
Question 2.
What is the name of this shape?

_________
Answer: Hexagon

Question 3.
Use a centimeter ruler. What is the length of the string to the nearest centimeter?

______ centimeters
Answer:

Question 4.
The clock shows the time Chris finished his homework. What time did Chris finish his homework?

Answer: 06 : 10

Question 5.
What time is shown on this clock?

Answer: 08 : 15

Lesson 11.11 Problem Solving • Equal Shares

Essential Question How can drawing a diagram help when solving problems about equal shares?

There are two sandwiches that are the same size. Each sandwich is divided into fourths, but the sandwiches are cut differently. How might the two sandwiches be cut?

Unlock the Problem
What information do
I need to use?
There are ______ sandwiches.
Each sandwich is divided into _______
Answer: There are 2 sandwiches.
Each sandwich is divided into fourths.

Show how to solve the problem.

Answer:

HOME CONNECTION • Your child drew a diagram to represent and solve a problem about dividing a whole in different ways to show equal shares.

Try Another Problem
Draw to show your answer.

Question 1.
Marquis has two square sheets of paper that are the same size. He wants to cut each sheet into halves. What are two different ways he can cut the sheets of paper?

Answer:

Question 2.
Shanice has two pieces of cloth that are the same size. She needs to divide each piece into thirds. What are two different ways she can divide the pieces of cloth?

Answer:

Share and Show

Draw to show your answer.
Question 3.
Brandon has two pieces of toast that are the same size. What are two different ways he can divide the pieces of toast into halves?

Answer:

Question 4.
Mr. Rivera has two small trays of pasta that are the same size. What are two different ways he can cut the pasta into fourths?

Answer:

Question 5.
THINK SMARTER
Erin has two ribbons that are the same size. What are two different ways she can divide the ribbons into thirds?

Answer:

Problem Solving • Applications

Solve. Write or draw to explain.
Question 6.
Use Diagrams
David needs to divide two pieces of paper into the same number of equal shares. Look at how the first paper is divided. Show how to divide the second paper a different way.

Answer:

Question 7.
GO DEEPER
Mrs. Lee cut two sandwiches into halves. How many equal shares does she have?
_______ equal shares
Answer: 2 equal shares

Question 8.
THINK SMARTER
Emma wants to cut a piece of paper into fourths. Fill in the bubble next to all the ways she could cut the paper.

Answer:

TAKE HOME ACTIVITY • Ask your child to draw two rectangles and show two different ways to divide them into fourths.

Problem Solving • Equal Shares Homework & Practice 11.11

Draw to show your answer.
Question 1.
Max has square pizzas that are the same size. What are two different ways he can divide the pizzas into fourths?

Answer:

Question 2.
Lia has two pieces of paper that are the same size. What are two different ways she can divide the pieces of paper into halves?

Answer:

Question 3.
WRITE
Draw and write to explain how you can divide a rectangle into thirds in two different ways.
Answer: We can divide or partition a rectangle into thirds in two different ways by dividing the rectangle either horizontally or vertically
Such that each partition that is created on dividing it have equal area or equal share of the original rectangle and hence the partitions are similar.

Lesson Check
Question 1.
Bree cut a piece of cardboard into thirds like this.

Circle the other shape that is divided into thirds.

Answer:

Spiral Review
Question 2.
Circle the shape with three equal parts.

Answer:

Question 3.
How many angles does this shape have?

______ angles
Answer: 5 angles

Question 4.
What is the best estimate for the width of a door?
_____ feet
Answer: 3 feet

Question 5.
Which is another way to write 10 minutes after 9?
_____ : _____
Answer: 09 : 10

Geometry and Fraction Concepts Review/Test

Question 1.
Match the shapes.

Answer:

Question 2.
Do the sentences describe a cube?
Choose Yes or No.

Rewrite each sentence with a mistake to make it a true sentence.
________________________
_______________________
Answer:

A cube has 6 faces.
A cube has 8 vertuces.
A cube has 12 edges.
Each face of a cube is a square.

Question 3.
Draw lines to show thirds.

Explain how you know that the parts are thirds.
__________________
_________________
Answer: Both the shaps are cut into thirds horizontally.

Question 4.
Will and Ana have gardens that are the same size. They divide their gardens into fourths. What are two different ways they can divide the gardens? Draw to show your answer.

Answer:

Question 5.
Draw to show halves, thirds, and fourths. Color a half, a third, and a fourth.

Answer:

Question 6.
Max wants to cover the rectangle with blue tiles. Explain how you would estimate the number of blue tiles he would need to cover the rectangle.

Answer: 5 tiles

Question 7.
THINK SMARTER +
Jenna built this rectangular prism. Circle the number of unit cubes Jenna used.

Answer:

Question 8.
Rachel makes a pentagon and a quadrilateral with toothpicks. She uses one toothpick for each side of a shape. How many toothpicks does Rachel need?
_____ toothpicks
Answer:
Given,
Rachel makes a pentagon and a quadrilateral with toothpicks. She uses one toothpick for each side of a shape.
Pentagon consists of 5 sides
Quadrilateral consits of 4 sides
5 + 4 = 9
Thus there are 9 toothpicks.
9 toothpicks

Question 9.
Kevin drew 2 two-dimensional shapes that had 9 angles in all. Draw the shapes Kevin could have drawn.

Answer:

Question 10.
Fill in the bubble next to the shapes that show fourths.

Answer:

Question 11.
GO DEEPER
Draw each shape where it belongs in the chart.

Answer:
By using the above figure we can draw shapes with 3 and shapes with more than 3 angles in the table.

Conclusion:

Make use of the above links and start practicing the problems provided in Go Math Grade 2 Answer Key Chapter 11 Geometry and Fraction Concepts. Students who feel geometry as a difficult chapter can Download Grade 2 Go Math Chapter 11 Geometry and Fraction Concepts Answer key pdf for free. Share the pdf link with your friends and help them to score good marks in the exams.

Hello Students!!! Are you looking for the Go Math Answer Key for Grade K? If our guess is correct, then your weight is over. Because we provide the solutions for all the questions in a simple way in Go Math Grade K Answer Key Chapter 9 Identify and Describe Two-Dimensional Shapes. This helps teachers and parents to make their children complete homework or assignments in time.

Go Math Grade K Chapter 9 Answer Key Identify and Describe Two-Dimensional Shapes

Students must get an interest in math from childhood itself. So make your children fall in love with math by showing the Go Math Grade K Chapter 9 Answer Key Identify and Describe Two-Dimensional Shapes. By following our HMH Go Math Answer Key your child will get the knowledge slowly by seeing the solved images. So, Download Go Math Grade K Solution Key Chapter 9 Identify and Describe Two-Dimensional Shapes pdf for free.

Identify and Describe Two-Dimensional Shapes

• Identify and Describe Two-Dimensional Shapes Show What You Know
• Identify and Describe Two-Dimensional Shapes Vocabulary Builder
• Identify and Describe Two-Dimensional Shapes Game Number Picture

Lesson: 1 Identify and Name Circles

• Lesson 9.1 Identify and Name Circles
• Identify and Name Circles Homework & Practice 9.1

Lesson: 2 Describe Circles

• Lesson 9.2 Describe Circles
• Describe Circles Homework & Practice 9.2

Lesson: 3 Identify and Name Squares

• Lesson 9.3 Identify and Name Squares
• Identify and Name Squares Homework & Practice 9.3

Lesson: 4 Describe Squares

• Lesson 9.4 Describe Squares
• Describe Squares Homework & Practice 9.4

Lesson: 5 Identify and Name Triangles

• Lesson 9.5 Identify and Name Triangles
• Identify and Name Triangles Homework & Practice 9.5

Lesson: 6 Describe Triangles

• Lesson 9.6 Describe Triangles
• Describe Triangles Homework & Practice 9.6

Mid-Chapter Checkpoint

• Identify and Describe Two-Dimensional Shapes Mid-Chapter Checkpoint

Lesson: 7 Identify and Name Rectangles

• Lesson 9.7 Identify and Name Rectangles
• Identify and Name Rectangles Homework & Practice 9.7

Lesson: 8 Describe Rectangles

• Lesson 9.8 Describe Rectangles
• Describe Rectangles Homework & Practice 9.8

Lesson: 9 Identify and Name Hexagons

• Lesson 9.9 Identify and Name Hexagons
• Identify and Name Hexagons Homework & Practice 9.9

Lesson: 10 Describe Hexagons

• Lesson 9.10 Describe Hexagons
• Describe Hexagons Homework & Practice 9.10

Lesson: 11 Algebra • Compare Two- Dimensional Shapes

• Lesson 9.11 Algebra • Compare Two- Dimensional Shapes
• Algebra • Compare Two- Dimensional Shapes Homework & Practice 9.11

Lesson: 12 Problem Solving • Draw to Join Shapes

• Lesson 9.12 Problem Solving • Draw to Join Shapes
• Problem Solving • Draw to Join Shapes Homework & Practice 9.12

Review/Test

• Identify and Describe Two-Dimensional Shapes Review/Test

Identify and Describe Two-Dimensional Shapes Show What You Know

Shape
DIRECTIONS 1–3. Look at the shape at the beginning of the row. Mark an X on the shape that is alike. 4–6. Count and tell how many. Write the number.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Count Objects
Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Identify and Describe Two-Dimensional Shapes Vocabulary Builder

DIRECTIONS Circle the box that is sorted by green vegetables. Mark an X on the box that is sorted by purple fruit.

Answer:

Identify and Describe Two-Dimensional Shapes Game Number Picture

DIRECTIONS Play with a partner. Decide who goes first. Toss the number cube. Color a shape in the picture that matches the number rolled. A player misses a turn if a number is rolled and all shapes with that number are colored. Continue until all shapes in the picture are colored.

MATERIALS number cube (labeled 1, 2, 2, 3, 3, 4), crayons

Identify and Describe Two-Dimensional Shapes Vocabulary Game

DIRECTIONS Say each word. Tell something you know about the word.

DIRECTIONS Place game pieces on START. Play with a partner. Take turns. Toss the number cube. Move that many spaces. If a player can name the shape and tell something about the shape, the player moves ahead 1 space. The first player to reach FINISH wins.

MATERIALS 1 connecting cube game piece for each player, number cube

The Write Way
DIRECTIONS Choose two shapes. Draw to show what you know about the shapes. Reflect Be ready to tell about your drawing.

Lesson 9.1 Identify and Name Circles

Essential Question How can you identify and name circles?

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the circles. Sort the shapes by circles and not circles. Trace and color the shapes on the sorting mat.

Answer:

Share and Show

DIRECTIONS 1. Mark an X on all of the circles.
Question 1.

Answer:

DIRECTIONS 2. Color the circles in the picture.
Question 2.

Answer:

Problem Solving • Applications

DIRECTIONS 3. Neville puts his shapes in a row. Which shape is a circle? Mark an X on that shape. 4. Draw to show what you know about circles. Tell a friend about your drawing.
Question 3.

Answer:

Question 4.
Answer: A circle has a curve shape with no sides and vertices.

HOME ACTIVITY • Have your child show you an object that is shaped like a circle.

Identify and Name Circles Homework & Practice 9.1

DIRECTIONS 1. Color the circles in the picture.
Question 1.

Answer:

DIRECTIONS 1. Color the circle. 2. Count forward. Trace and write the numbers in order. 3. Which number completes the addition sentence about the sets of cats? Write the number.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.2 Describe Circles

Essential Question How can you describe circles?

Listen and Draw

DIRECTIONS Use your finger to trace around the circle. Talk about the curve. Trace around the curve.

Share and Show

DIRECTIONS 1. Use your finger to trace around the circle. Trace the curve around the circle. 2. Color the object that is shaped like a circle.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 3. Use a pencil to hold one end of a large paper clip on one of the dots in the center of the page. Place another pencil in the other end of the paper clip. Move the pencil around to draw a circle.
Question 3.

Answer:

Problem Solving • Applications

DIRECTIONS 4. I have a curve. What shape am I? Draw the shape. Tell a friend the name of the shape.
Question 4.
Answer: Circle

HOME ACTIVITY • Have your child describe a circle.

Describe Circles Homework & Practice 9.2

DIRECTIONS 1. Use a pencil to hold one end of a large paper clip on one of the dots in the center. Place another pencil in the other end of the paper clip. Move the pencil around to draw a circle. 2. Color the object that is shaped like a circle.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 1. Which shape has a curve? Color that shape. 2. Point to each set of 10 as you count by tens. Circle the number that shows how many grapes there are. 3. How many tiles are there? Write the number.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.3 Identify and Name Squares

Essential Question How can you identify and name squares?

Listen and Draw

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the squares. Sort the shapes by squares and not squares. Trace and color the shapes on the sorting mat.

Answer:

Share and Show

DIRECTIONS 1. Mark an X on all of the squares.
Question 1.

Answer:

DIRECTIONS 2. Color the squares in the picture.
Question 2.

Answer:

Problem Solving • Applications

DIRECTIONS 3. Dennis drew these shapes. Which shapes are squares? Mark an X on those shapes. 4. Draw to show what you know about squares. Tell a friend about your drawing.
Question 3.

Answer:

Question 4.
Answer:
a square is a regular quadrilateral, which means that it has four equal sides and four equal angles. It can also be defined as a rectangle in which two adjacent sides have equal length

HOME ACTIVITY • Have your child show you an object that is shaped like a square.

Identify and Name Squares Homework & Practice 9.3

DIRECTIONS 1. Color the squares in the picture.
Question 1.

Answer:

DIRECTIONS 1. Which shape is a square? Color the square. 2. How many tiles are there? Write the number. 3. Trace the number of puppies. Trace the number of puppies being added. Write the number that shows how many puppies there are now.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.4 Describe Squares

Essential Question How can you describe squares?

Listen and Draw

DIRECTIONS Use your finger to trace around the square. Talk about the number of sides and the number of vertices. Draw an arrow pointing to another vertex. Trace around the sides.

Share and Show

DIRECTIONS 1. Place a counter on each corner, or vertex. Write how many corners, or vertices. 2. Trace around the sides. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 3. Draw and color a square.
Question 3.

Answer:

Problem Solving • Applications

DIRECTIONS 4. I have 4 sides of equal length and 4 vertices. What shape am I? Draw the shape. Tell a friend the name of the shape.
Question 4.
Answer: I am a square

HOME ACTIVITY • Have your child describe a square.

Describe Squares Homework & Practice 9.4

DIRECTIONS 1. Draw and color a square. 2. Place a counter on each corner, or vertex, of the square that you drew. Write how many corners, or vertices. 3. Trace around the sides of the square that you drew. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

DIRECTIONS 1. How many vertices does the square have? Write the number. 2. Count and tell how many pieces of fruit. Write the number. 3. How many tiles are there? Write the number.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.5 Identify and Name Triangles

Essential Question How can you identify and name triangles?

Listen and Draw

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the triangles. Sort the shapes by triangles and not triangles. Trace and color the shapes on the sorting mat.

Answer:

Share and Show

DIRECTIONS 1. Mark an X on all of the triangles.
Question 1.

Answer:

DIRECTIONS 2. Color the triangles in the picture.
Question 2.

Answer:

Problem Solving • Applications

DIRECTIONS 3. Anita put her shapes in a row. Which shapes are triangles? Mark an X on those shapes. 4. Draw to show what you know about triangles. Tell a friend about your drawing.
Question 3.

Answer:

Question 4.
Answer:

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry

HOME ACTIVITY • Have your child show you an object that is shaped like a triangle.

Identify and Name Triangles Homework & Practice 9.5

DIRECTIONS 1–2. Color the triangles in the picture.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 1. Which shape is a triangle? Color the triangle. 2. Begin with 1 and count forward to 24. What is the next number? Draw a line under that number. 3. How many more counters would you place to model a way to make 10? Draw the counters.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer: 25

Question 3.

Answer: 3

Lesson 9.6 Describe Triangles

Essential Question How can you describe triangles?
Answer: A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

Listen and Draw

DIRECTIONS Use your finger to trace around the triangle. Talk about the number of sides and the number of vertices. Draw an arrow pointing to another vertex. Trace around the sides.

Share and Show

DIRECTIONS 1. Place a counter on each corner, or vertex. Write how many corners, or vertices. 2. Trace around the sides. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 3. Draw and color a triangle.
Question 3.

Answer:

Describe Triangles Homework & Practice 9.6

DIRECTIONS 1. Draw and color a triangle. 2. Place a counter on each corner, or vertex, of the triangle that you drew. Write how many corners, or vertices. 3. Trace around the sides of the triangle that you drew. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

DIRECTIONS 1. How many sides does the triangle have? Write the number. 2. Which number shows how many kittens are left? Write the number. 3. How many more counters would you place to model a way to make 7? Draw the counters.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer: 3

Question 3.

Answer: 4

Identify and Describe Two-Dimensional Shapes Mid-Chapter Checkpoint

Concepts and Skills

DIRECTIONS 1–2. Trace around each side. Write how many sides. Place a counter on each corner or vertex. Write how many vertices. (K.G.B.4) 3. Draw lines to match the shape to its name. (K.G.A.2)
Question 1.

Answer:

Question 2.

Answer:

Question 3.
THINK SMARTER

Answer:

Lesson 9.7 Identify and Name Rectangles

Essential Question How can you identify and name rectangles?

Listen and Draw

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the rectangles. Sort the shapes by rectangles and not rectangles. Trace and color the shapes on the sorting mat.

Answers:

Share and Show

DIRECTIONS 1. Mark an X on all of the rectangles.
Question 1.

Answer:

DIRECTIONS 2. Color the rectangles in the picture.
Question 2.

Answer:

Problem Solving • Applications

DIRECTIONS 3. Max looked at his shapes. Which of his shapes are rectangles? Mark an X on those shapes. 4. Draw to show what you know about rectangles. Tell a friend about your drawing.
Question 3.

Answer:

Question 4.
Answer: A rectangle is a  quadrilateral, which means that it has four sides and four angles.In which two adjacent sides have equal length

HOME ACTIVITY • Have your child show you an object that is shaped like a rectangle.

Identify and Name Rectangles Homework & Practice 9.7

DIRECTIONS 1. Color the rectangles in the picture.
Question 1.

Answer:

DIRECTIONS 1. Which shape is a rectangle? Color the rectangle. 2. Count by tens as you point to the numbers in the shaded boxes. Start with the number 10. What number do you end with? Draw a line under that number. 3. How many more counters would you place to model a way to make 6? Draw the counters.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer: 2

Lesson 9.8 Describe Rectangles

Essential Question How can you describe rectangles?

Listen and Draw

DIRECTIONS Use your finger to trace around the rectangle. Talk about the number of sides and the number of vertices. Draw an arrow pointing to another vertex. Trace around the sides.

Share and Show

DIRECTIONS 1. Place a counter on each corner, or vertex. Write how many corners, or vertices. 2. Trace around the sides. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 3. Draw and color a rectangle.
Question 3.

Answer:

Problem Solving • Applications

DIRECTIONS 4. I have 4 sides and 4 vertices. What shape am I? Draw the shape. Tell a friend the name of the shape.
Question 4.
Answer: Rectangle

HOME ACTIVITY • Have your child describe a rectangle.

Describe Rectangles Homework & Practice 9.8

DIRECTIONS 1. Draw and color a rectangle. 2. Place a counter on each corner, or vertex, of the rectangle that you drew. Write how many corners, or vertices. 3. Trace around the sides of the rectangle that you drew. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

DIRECTIONS 1. How many sides does the rectangle have? Write the number. 2. Complete the addition sentence to show the numbers that match the cube train. 3. Draw a set that has a number of cubes two greater than 18. Write the number.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.9 Identify and Name Hexagons

Essential Question How can you identify and name hexagons?

Listen and Draw

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the hexagons. Sort the shapes by hexagons and not hexagons. Trace and color the shapes on the sorting mat.

Answer:

Share and Show

DIRECTIONS 1. Mark an X on all of the hexagons.
Question 1.

Answer:

DIRECTIONS 2. Color the hexagons in the picture.
Question 2.

Answer:

Problem Solving • Applications

DIRECTIONS 3. Ryan is looking at his shapes. Which of his shapes are hexagons? Mark an X on those shapes. 4. Draw to show what you know about hexagons. Tell a friend about your drawing.
Question 3.

Answer:

Question 4.
Answer:

HOME ACTIVITY • Draw some shapes on a page. Include several hexagons. Have your child circle the hexagons.

Identify and Name Hexagons Homework & Practice 9.9

DIRECTIONS 1. Color the hexagons in the picture.
Question 1.

Answer:

DIRECTIONS 1. Which shape is a hexagon? Color the hexagon. 2. Begin with 81 and count forward to 90. What is the next number? Draw a line under that number. 3. What numbers show the sets that are put together? Write the numbers and trace the symbol.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer: 8

Lesson 9.10 Describe Hexagons

Essential Question How can you describe hexagons?

Listen and Draw

DIRECTIONS Use your finger to trace around the hexagon. Talk about the number of sides and the number of vertices. Draw an arrow pointing to another vertex. Trace around the sides.

Share and Show

DIRECTIONS 1. Place a counter on each corner, or vertex. Write how many corners, or vertices. 2. Trace around the sides. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

DIRECTIONS 3. Draw and color a hexagon.
Question 3.

Answer:

Problem Solving • Applications

DIRECTIONS 4. I have 6 sides and 6 vertices. What shape am I? Draw the shape. Tell a friend the name of the shape.
Question 4.
Answer: Hexagon

HOME ACTIVITY • Have your child describe a hexagon.

Describe Hexagons Homework & Practice 9.10

DIRECTIONS 1. Draw and color a hexagon. 2. Place a counter on each corner, or vertex, of the hexagon that you drew. Write how many corners, or vertices. 3. Trace around the sides of the hexagon that you drew. Write how many sides.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

DIRECTIONS 1. How many sides does the hexagon have? Write the number. 2. Complete the addition sentence to show the numbers that match the cube train. 3. Compare the numbers. Circle the number that is greater.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.11 Algebra • Compare Two- Dimensional Shapes

Essential Question How can you use the words alike and different to compare two-dimensional shapes?

Listen and Draw

DIRECTIONS Look at the worms and the shapes. Use the words alike and different to compare the shapes. Use green to color the shapes with four vertices and four sides. Use blue to color the shapes with curves. Use red to color the shapes with three vertices and three sides.

Answere:

Share and Show

DIRECTIONS 1. Place two-dimensional shapes on the page. Sort the shapes by the number of vertices. Draw the shapes on the sorting mat. Use the words alike and different to tell how you sorted the shapes.
Question 1.

Answer:S hapes whichconsist of 3 vertices are sorted

DIRECTIONS 2. Place two-dimensional shapes on the page. Sort the shapes by the number of sides. Draw the shapes on the sorting mat. Use the words alike and different to tell how you sorted the shapes.
Question 2.

Answer: 3 sided shapes which are alike are sorted

Problem Solving • Applications

DIRECTIONS 3. I have a curve. What shape am I? Draw the shape. 4. Draw to show shapes sorted by curves and no curves.
Question 3.
Answer: Circle

Question 4.

Answer:

HOME ACTIVITY • Describe a shape and ask your child to name the shape that you are describing.

Algebra • Compare Two- Dimensional Shapes Homework & Practice 9.11

DIRECTIONS 1. Place two-dimensional shapes on the page. Sort the shapes by the number of sides. Draw the shapes on the sorting mat. Use the words alike and different to tell how you sorted the shapes.
Question 1.

Answer: Triangle has 3 sides. Triangle which are alike are sorted

DIRECTIONS 1. Look at the shape. Draw a shape that is alike in some way. Tell how the two shapes are alike. 2. Count and tell how many. Write the number. 3. How many of each color counter? Write the numbers.
Lesson Check
Question 1.

Answer: Both the shapes 4 vertices and 4 sides and bohe the shapers are quadrilateral with equal length and breath.

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Lesson 9.12 Problem Solving • Draw to Join Shapes

Essential Question How can you solve problems using the strategy draw a picture?

Unlock the Problem

DIRECTIONS How can you join triangles to make the shapes? Draw and color the triangles.

Try Another Problem

DIRECTIONS 1. How can you join the two triangles to make a rectangle? Trace around the triangles to draw the rectangle. 2. How can you join the two triangles to make a larger triangle? Use the triangle shapes to draw a larger triangle.
Question 1.

Answer:

Question 2.
Answer:

Share and Show

DIRECTIONS 3. How can you join some of the squares to make a larger square? Use the square shapes to draw a larger square. 4. How can you join some or all of the squares to make a rectangle? Use the square shapes to draw a rectangle.
Question 3.
Answer:

Question 4.
Answer:

On Your Own

DIRECTIONS 5. Can you join these shapes to make a hexagon? Use the shapes to draw a hexagon. 6. Which shapes could you join to make the larger shape? Draw and color to show the shapes you used.
Question 5.

Answer:

Question 6.

Answer:

HOME ACTIVITY • Have your child join shapes to form a larger shape, and then tell you about the shape.

Problem Solving • Draw to Join Shapes Homework & Practice 9.12

DIRECTIONS 1. Place triangles on the page as shown. How can you join all of the triangles to make a hexagon? Trace around the triangles to draw the hexagon. 2. How can you join some of the triangles to make a larger triangle? Trace around the triangles to draw the larger triangle.
Question 1.

Answer:

Question 2.
Answer:

DIRECTIONS 1. Join two triangles to make the shape. Draw and color the triangles you used. 2. Count and tell how many. Write the number. 3. Count and tell how many in each set. Write the numbers. Compare the numbers. Circle the number that is less.
Lesson Check
Question 1.

Answer:

Spiral Review
Question 2.

Answer:

Question 3.

Answer:

Identify and Describe Two-Dimensional Shapes Review/Test

DIRECTIONS 1. Is the shape a circle? Choose Yes or No. 2. Mark under all the shapes that have curves. 3. How many squares are in the picture? Write the number.
Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

DIRECTIONS 4. Look at the square. Write the number of sides on a square. 5. Mark under all of the shapes that are triangles. 6. Mark an X on each shape that has 3 sides and 3 vertices.
Question 4.

Answer:

Question 5.

Answer:

Question 6.
THINK SMARTER+

Answer:

DIRECTIONS 7. Mark an X on the shape that is not a rectangle. 8. Draw a shape that is the same as the boxcars on the train. 9. Mark an X on all of the hexagons.
Question 7.

Answer:

Question 8.
THINK SMARTER+

Answer:

Question 9.

Answer:

DIRECTIONS 10. Match the shape to the number with that many sides. 11. Look at the shapes. Compare them to see how they are alike and how they are different. Use red to color the shapes with four sides. Use green to color the shapes with curves. Use blue to color the shapes with three vertices. 12. Draw the two shapes used to make the arrow.
Question 10.

Answer:

Question 11.

Answer:

Question 12.
THINK SMARTER+

Answer:

Conclusion:

We believe that the information presented in this article is satisfactory for you to learn the basics from now itself. Help your kids to enhance their math skills by downloading the HMH Go Math Grade K Answer Key of all chapters. Stay tuned to get the latest updates of all Go Math Grade K Solution Keys.

Hey guys!!! Are you searching for the grade 2 answer key on various websites? If yes then you can stop your search now. Here you can get detailed explanations for all the questions on this page. As per your convenience, we have provided the Go Math Grade 2 Answer Key Chapter 9 Length in Metric Units in pdf format. Hence Download HMH Go Math Grade 2 Chapter 9 Solution Key Length in Metric Units Concepts for free of cost.

Go Math Grade 2 Chapter 9 Answer Key Length in Metric Units Concepts

Check out the topics before starting your preparation for the exams. We have provided solutions for all the questions as per the textbook. Test yourself by solving the problems given in the mid-chapter checkpoint and review the test. By solving the review test problems you can know how much you have learned from this chapter. Click on the below-given links and kickstart your preparation.

Chapter: 9 – Length in Metric Units

• Length in Metric Units Show What You Know
• Length in Metric Units Vocabulary Builder
• Length in Metric Units Game Estimating Length
• Length in Metric Units Vocabulary Game

Lesson: 1 Measure with a Centimeter Model

• Lesson 9.1 Measure with a Centimeter Model
• Measure with a Centimeter Model Homework & Practice 9.1

Lesson: 2 Estimate Lengths in Centimeters

• Lesson 9.2 Estimate Lengths in Centimeters
• Estimate Lengths in Centimeters Homework & Practice 9.2

Lesson: 3 Measure with a Centimeter Ruler

• Lesson 9.3 Measure with a Centimeter Ruler
• Measure with a Centimeter Ruler Homework & Practice 9.3

Lesson: 4 Problem Solving • Add and Subtract Lengths

• Lesson 9.4 Problem Solving • Add and Subtract Lengths
• Problem Solving • Add and Subtract Lengths Homework & Practice 9.4

Mid-Chapter Checkpoint

• Length in Metric Units Mid-Chapter Checkpoint

Lesson: 5 Centimeters and Meters

• Lesson 9.5 Centimeters and Meters
• Centimeters and Meters Homework & Practice 9.5

Lesson: 6 Estimate Lengths in Meters

• Lesson 9.6 Estimate Lengths in Meters
• Estimate Lengths in Meters Homework & Practice 9.6

Lesson: 7 Measure and Compare Lengths

• Lesson 9.7 Measure and Compare Lengths
• Measure and Compare Lengths Homework & Practice 9.7

Review/Test

• Length in Metric Units Review/Test

Length in Metric Units Show What You Know

Compare Lengths
Question 1.
Order the strings from shortest to longest.
Write 1, 2, 3.

Answer:

By seeing the above figure we can order the strings from shortest to longest.

Use Nonstandard Units to Measure Length

Question 2.

Answer:
about 7 cubes

Explanation:
Use the cube to measure the length of the pencil. The estimated measure of a pencil is 7

Question 3.

Answer:
about 7 cubes

Explanation:
Use the cube to measure the length of the pen. The estimated measure of a pen is 7.

Measure Length Twice: Nonstandard Units

Question 4.

Answer: about 21 linking cubes

Question 5.

Answer: about 9

Length in Metric Units Vocabulary Builder

Visualize It
Fill in the graphic organizer. Think of an object and write about how you can measure the length of that object.

Understand Vocabulary
Use the color tiles to estimate the length of each straw.

Question 1.

about _______ tiles
Answer: 6  tiles
By using the color tiles we can measure the length of the straw.

Question 2.

about ______ tiles
Answer: 3 tiles
By using the color tiles we can measure the length of the straw.

Length in Metric Units Game Estimating Length

Materials

Play with a partner.

1. Take turns choosing a picture. Find the real object.
2. Each player estimates the length of the object in cubes and then makes a cube train for his or her estimate.
3. Compare the cube trains to the length of the object. The player with the closer estimate puts a counter on the picture. If there is a tie, both players put a counter on the picture.
4. Repeat until all pictures are covered. The player with more counters on the board wins.
   

Length in Metric Units Vocabulary Game

Go Fish

For 3 players
Materials

• 4 sets of word cards

How to Play

1. Every player is dealt 5 cards. Put the rest face-down in a draw pile.
2. Ask another player for a word card to match a word card you have.
   • If the player has the word card, he or she gives it to you. Put both cards in front of you. Take another turn.
   • If the player does not have the word, he or she answers, “Go fish.” Take a card from the pile. If the word you get matches one you are holding, put both cards in front of you. Take another turn. If it does not match, your turn is over.
3. The game is over when one player has no cards left. The player with the most pairs wins.
   

The Write Way
Reflect
Choose one idea. Write about it in the space below.

• Compare a centimeter to a meter. Explain how they are alike and how they are different.
• Explain how you would find the length of this crayon in centimeters.
  
  How would you compare the length of a door to the length of a window in meters? Draw pictures and write to explain. Use another piece of paper for your drawing.
  

Lesson 9.1 Measure with a Centimeter Model

Essential Question How do you use a centimeter model to measure the lengths of objects?

Listen and Draw

Use to measure the length.
______ unit cubes
Answer:  8 unit cubes

______ unit cubes
Answer:  13 unit cubes

______ unit cubes
Answer:  9 unit cubes

HOME CONNECTION • Your child used unit cubes as an introduction to measurement of length before using metric measurement tools.

MATHEMATICAL PRACTICES
Use Tools
Describe how to use unit cubes to measure an object’s length.
Answer:
We can measure the length of the object by locating the unit cubes in a sequence.

Share and Show

Use a unit cube. Measure the length in centimeters.
Question 1.

about ________ centimeters
Answer: about 22 centimeters as one cube is equal to one centimeter

Question 2.

about _________ centimeters
Answer: about 13 centimeters as one cube is equal to one centimeter

Question 3.

about ________ centimeters
Answer: about 13 centimeters as one cube is equal to one centimeter

On Your Own

Use a unit cube. Measure the length in centimeters.
Question 4.

about _________ centimeters
Answer: 7 centimeters as one cube is equal to one centimeter

Question 5.

about ________ centimeters
Answer: about 18 centimeters as one cube is equal to one centimeter

Question 6.

about ________ centimeters
Answer: about 14 centimeters as one cube is equal to one centimeter

Question 7.

about __________ centimeters
Answer: about 10 centimeters as one cube is equal to one centimeter

Question 8.

about __________ centimeters
Answer: about 17 centimeters as one cube is equal to one centimeter

Problem Solving • Applications

Solve. Write or draw to explain.
Question 9.
THINK SMARTER
Mrs. Duncan measured the lengths of a crayon and a pencil. The pencil is double the length of the crayon. The sum of their lengths is 24 centimeters. What are their lengths?

crayon : _____________________
pencil : _____________
Answer:
Let the length of the crayon be x
Length of a pencil = 2x
As according to the question that the sum of their length is 24 centimeters.
So we have
x + 2x = 24
3x = 24
x = 8
Thus the length of the crayon = 8 centimeters
Length of pencil = 2x
Substitute the value of x
2 × 8 = 16
Thus the length of pencil is 16 centimeters and
length of crayons is 8 centimeters.

Question 13.
THINK SMARTER +
Marita uses unit cubes to measure the length of a straw. Circle the number in the box that makes the sentence true.

Answer: The straw is 7 centimeters long.

TAKE HOME ACTIVITY • Have your child compare the lengths of other objects to those in this lesson.

Measure with a Centimeter Model Homework & Practice 9.1

Use a unit cube. Measure the length in centimeters.
Question 1.

about _______ centimeters
Answer: about 8 centimeters

Question 2.

about _________ centimeters
Answer: about 11 centimeters

Question 3.

about ________ centimeters
Answer: about 15 centimeters

Problem Solving
Solve. Write or draw to explain.
Question 4.
Susan has a pencil that is 3 centimeters shorter than this string. How long is the pencil?

about _________ centimeters
Answer: about 15 centimeters

Question 5.
WRITE
Write about using a unit cube to measure lengths in this lesson.
______________
_____________
Answer:
Let us say your cube has the dimensions of 3 × 4 × 5 to find the area of the cube in the cubic measure you would multiply the three dimensions together and divide by the area of the cubes.

Lesson Check
Question 1.
Sarah used unit cubes to measure the length of a ribbon. Each unit cube is about 1 centimeter long. What is a good estimate for the length of ribbon?

_________ centimeters
Answer: 6 centimeters

Spiral Review
Question 2.
What is the time on this clock?

Answer: 10 : 00

Question 3.
What is the time on this clock?

Answer: 04 : 40

Question 4.
Dan has a paper strip that is 28 inches long. He tears 6 inches off the strip. How long is the paper strip now?
_________ inches
Answer:  22 inches.

Explanation:
Given Dan has a paper strip that is 28 inches long
He tears 6 inches off the strip
so 28 inches – 6 inches = 22 inches
22 inches long is the paper strip.

Question 5.
Rita has 1 quarter, 1 dime, and 2 pennies. What is the total value of Rita’s coins?
$ ______ or ______ cents
Answer:
Quarter = 25 cents
dime = 10 cents
2 pennies = 2 cents
25 + 10 + 2 = 37 cents
Thus the total value of Rita’s coins 37 cents.

Lesson 9.2 Estimate Lengths in Centimeters

Essential Question How do you use known lengths to estimate unknown lengths?

Listen and Draw

Find three classroom objects that are shorter than your 10-centimeter strip. Draw the objects. Write estimates for their lengths.
about ________ centimeters

about ________ centimeters

about ________ centimeters

HOME CONNECTION • Your child used a 10-centimeter strip of paper to practice estimating the lengths of some classroom objects.

MATHEMATICAL PRACTICES
Which object has a length closest to 10 centimeters? Explain.
Answer:

Share and Show

Question 1.
The yarn is about 5 centimeters long.
Circle the best estimate for the length of the crayon.

Answer: 10 centimeters

Question 2.
The string is about 12 centimeters long.
Circle the best estimate for the length of the straw.

Answer: 7 centimeters

On Your Own

Question 3.
The rope is about 8 centimeters long. Circle the best estimate for the length of the paper clip.

Answer: 4 centimeters

Question 4.
The pencil is about 11 centimeters long.
Circle the best estimate for the length of the chain.

Answer: 13 centimeters

Question 5.
The hair clip is about 7 centimeters long.
Circle the best estimate for the length of the yarn.

Answer: 10 centimeters

Question 6.
The ribbon is about 13 centimeters long.
Circle the best estimate for the length of the string.

Answer: 11 centimeters

Problem Solving • Applications

Question 7.
THINK SMARTER
For each question, circle the best estimate.

Answer:

Question 8.
MATHEMATICAL PRACTICE
Analyze Mr. Lott has 250 more centimeters of tape than Mrs. Sanchez. Mr. Lott has 775 centimeters of tape. How many centimeters of tape does Mrs. Sanchez have?
________ centimeters
Answer: 525 centimeters

Explanation:
Given,
Mr. Lott has 250 more centimeters of tape than Mrs. Sanchez.
Mr. Lott has 775 centimeters of tape.
To find the length of tape we have to subtract 250 from 775
775 – 250 = 525 centimeters

Question 9.
THINK SMARTER
This feather is about 7 centimeters long. Rachel says the yarn is about 14 centimeters long. Is Rachel correct? Explain.

________________
_________________
Answer: Yes Rachel is correct because the yarn is double length of the feather.

TAKE HOME ACTIVITY • Give your child an object that is about 5 centimeters long. Have him or her use it to estimate the lengths of some other objects.

Estimate Lengths in Centimeters Homework & Practice 9.2

Question 1.
The toothpick is about 6 centimeters long. Circle the best estimate for the length of the yarn.

Answer: 9 centimeters

Question 2.
The pen is about 11 centimeters long. Circle the best estimate for the length of the eraser.

Answer: 4 centimeters

Problem Solving
Question 3.
The string is about 6 centimeters long. Draw a pencil that is about 12 centimeters long.

Answer:

Question 4.
WRITE
Choose one exercise above. Describe how you decided which estimate was the best choice.
Answer: Lesson 9.2 Estimate Lengths in Centimeters in this exercise we estimate the length of an object by comparing with the other object. So, this was the best choice.

Lesson Check
Question 1.
The pencil is about 12 centimeters long. Estimate the length of the yarn.

Answer: 5 centimeters

Spiral Review
Question 2.
Jeremy has 58 baseball cards. He gives 23 of them to his sister. How many baseball cards does Jeremy have left?

Answer: Jeremy left 35 baseball cards

Question 3.
What is the sum?
14 + 65 = ______
Answer: 79

Question 4.
Adrian has a cube train that is 13 inches long. He adds 6 inches of cubes to the train. How long is the cube train now?
_______ inches
Answer: 19 inches

Explanation:
Given,
Adrian has a cube train that is 13 inches long.
He adds 6 inches of cubes to the train.
13 + 6 = 19 inches

Question 5.
What is the total value of this group of coins?

$ _______, or ______ cents
Answer: 41c

Lesson 9.3 Measure with a Centimeter Ruler

Essential Question How do you use a centimeter ruler to measure lengths?

Listen and Draw

Find three small objects in the classroom.
Use unit cubes to measure their lengths.
Draw the objects and write their lengths.

HOME CONNECTION • Your child used unit cubes to measure the lengths of some classroom objects as an introduction to measuring lengths in centimeters.

MATHEMATICAL PRACTICES
Apply. Compare
Describe how the three lengths compare. Which object is shortest?
Answer: pencil with 7 centimeters is shortest

Share and Show

Measure the length to the nearest centimeter.
Question 1.

_______ centimeters
Answer: about 19 centimeters

Question 2.

_______ centimeters
Answer: about 10 centimeters

Question 3.

________ centimeters
Answer: about 15 centimeters

On Your Own

Measure the length to the nearest centimeter.
Question 4.

________ centimeters
Answer: 18 centimeters

Question 5.

_______ centimeters
Answer: 10 centimeters

Question 6.

________ centimeters
Answer: 12 centimeters

Question 7.

________ centimeters
Answer: 17 centimeters

Question 8.
GO DEEPER
A marker is almost 13 centimeters long. This length ends between which two centimeter-marks on a ruler?
____________________
_____________________
Answer:
It ends between 13 cm and 14 cm mark.

Explanation:
Since this marker in the above question is almost 13 centimeters long and definitely ends between two centimeter marks, the two centimeters that the length of this marker ends between on a ruler should be 13cm and 14 cm marks on the ruler.

Problem Solving • Applications

Question 9.
THINK SMARTER
The crayon was on the table next to the centimeter ruler. The left edge of the crayon was not lined up with the zero mark on the ruler.

What is the length of the crayon?
Explain how you found your answer.
____________________
____________________
Answer: 8 centimeter

Explanation:
Shown in the given figure that length of the crayon is between 3 to 11 cms
hence 11-3 we get 8 centimeters

Question 10.
THINK SMARTER
This is Lee’s string. Hana’s string is 7 centimeters long. Whose string is longer? Use a centimeter ruler to find out. Explain.

____________________
___________________
Answer: Hana’s string is longer than Lee’s string.

TAKE HOME ACTIVITY • Have your child measure the lengths of some objects using a centimeter ruler.

Measure with a Centimeter Ruler Homework & Practice 9.3

Measure the length to the nearest centimeter.
Question 1.

_________ centimeters
Answer: 9 centimeters

Question 2.

__________ centimeters
Answer: 12 centimeters

Problem Solving
Question 3.
Draw a string that is about 8 centimeters long.
Then use a centimeter ruler to check the length.
Answer:

Question 4.
WRITE
Measure the length of the top of your desk in centimeters.
Describe how you found the length.
___________________
___________________
Answer: 12 centimeters
by using rulers found the length of the desk

Lesson Check
Question 1.
Use a centimeter ruler. What is the length of this pencil to the nearest centimeter?

_______ centimeters
Answer: 12 centimeters

Spiral Review
Question 2.
What is the time on this clock?

Answer: 04 : 05

Question 3.
What is the total value of this group of coins?

$ ______ or ______ cents
Answer: 41c

Question 4.
Use the line plot. How many pencils are 5 inches long?

______ pencils
Answer: 2

Lesson 9.4 Problem Solving • Add and Subtract Lengths

Essential Question How can drawing a diagram help when solving problems about lengths?

Nate had 23 centimeters of string.
He gave 9 centimeters of string to Myra.
How much string does Nate have now?

Unlock the Problem
What information do
I need to use?
Nate had _________ centimeters of string.
He gave _______ centimeters of string to Myra.

Show how to solve the problem.

Nate has ________ centimeters of string now.

Answer: Nate has 14 centimeters of string now.

HOME CONNECTION • Your child drew a diagram to represent a problem about lengths. The diagram can be used to choose the operation for solving the problem.

Try Another Problem

Draw a diagram. Write a number sentence using a ☐ for the missing number. Then solve.
Question 1.
Ellie has a ribbon that is 12 centimeters long. Gwen has a ribbon that is 9 centimeters long. How many centimeters of ribbon do they have?

______________
They have _________ centimeters of ribbon.
Answer:

12 + 9 = 21 cm
Thus They have 21 centimeters of ribbon.

Question 2.
A string is 24 centimeters long. Justin cuts 8 centimeters off. How long is the string now?

___________
Now the string is _________ centimeters long.
Answer: 16 cm

24 – 8 = 16 cm
Now the string is 16 centimeters long.

MATHEMATICAL PRACTICES
Explain how your diagram shows what happened in the first problem.
Answer:

Share and Show

Draw a diagram. Write a number sentence using a ☐ for the missing number. Then solve.
Question 3.
A chain of paper clips is 18 centimeters long. Sondra adds 6 centimeters of paper clips to the chain. How long is the chain now?

_____________
The chain is _______ centimeters long now.
Answer:

18 + 6 = 24 cm
Thus The chain is 24 centimeters long now.

Question 4.
THINK SMARTER
A ribbon was 22 centimeters long. Then Martha cut a piece off to give to Tao. Now the ribbon is 5 centimeters long. How many centimeters of ribbon did Martha give to Tao?

Martha gave _________ centimeters of ribbon to Tao.
Answer:

Given,
A ribbon was 22 centimeters long. Then Martha cut a piece off to give to Tao. Now the ribbon is 5 centimeters long.
22 – 5 = 17 cm
Thus Martha gave 17 centimeters of ribbon to Tao.

TAKE HOME ACTIVITY • Have your child explain how he or she used a diagram to solve one problem in this lesson.

Problem Solving • Add and Subtract Lengths Homework & Practice 9.4

Draw a diagram. Write a number sentence using a ☐ for the missing number. Then solve.
Question 1.
A straw is 20 centimeters long. Mr. Jones cuts off 8 centimeters of the straw. How long is the straw now?

________________
The straw is _______ centimeters long now.
Answer:

Given,
A straw is 20 centimeters long.
Mr. Jones cuts off 8 centimeters of the straw.
20 – 8 = 12 cm
The straw is 12 centimeters long now.

Question 2.
WRITE
Describe a diagram for a problem about the total length of two ribbons, 13 centimeters long and 5 centimeters long.

Answer:

13 + 5 = 18 centimeters

Lesson Check
Question 1.
Tina has a paper clip chain that is 25 centimeters long. She takes off 8 centimeters of the chain. How long is the chain now?

________ centimeters
Answer:

Given,
Tina has a paper clip chain that is 25 centimeters long. She takes off 8 centimeters of the chain.
25 – 8 = 17 centimeters
The chain is 17 centimeters long.

Spiral Review
Question 2.
What is the sum?

Answer: 472

Question 3.
What is another way to write the time half past 7?
_____ : ______
Answer: 07 : 30

Question 4.
Molly has these coins in her pocket. How much money does she have in her pocket?

$ ______ or ______ cents
Answer:
1 quarter = 25 cents
1 dime = 10 cents
1 dime = 10 cents
1 nickel = 5 cents
25c + 10c + 10c + 5c + 50c
= 100 cents

Length in Metric Units Mid-Chapter Checkpoint

Concepts and Skills

Use a unit cube. Measure the length in centimeters.
Question 1.

about ______ centimeters
Answer: about 11 centimeters

Question 2.

about ________ centimeters
Answer: about 7 centimeters

Question 3.
The pencil is about 11 centimeters long. Circle the best estimate for the length of the string.

Answer: 7 centimeters

Question 4.
THINK SMARTER
Use a centimeter ruler. What is the length of this ribbon to the nearest centimeter?

_______ centimeters
Answer: 16 centimeters

Lesson 9.5 Centimeters and Meters

Essential Question How is measuring in meters different from measuring in centimeters?

Listen and Draw

Draw or write to describe how you did each measurement.
1st measurement

2nd measurement

MATHEMATICAL PRACTICES
Describe how the lengths of the yarn and the sheet of paper are different.
Answer:

Share and Show

Measure to the nearest centimeter.
Then measure to the nearest meter.
Question 1.

______ centimeters
______ meters
Answer:
100 centimeters
1 meters

Question 2.

______ centimeters
______ meters
Answer: 2.5 meters
250 centimeters
2.5  meters

Question 3.

______ centimeters
______ meters
Answer:
400 centimeters
4 meters

On Your Own

Measure to the nearest centimeter.
Then measure to the nearest meter.
Question 4.

______ centimeters
______ meters
Answer: 2 meters
200 centimeters
2 meters

Question 5.

______ centimeters
______ meters
Answer:
150 centimeters
1.5  meters

Question 6.

______ centimeters
______ meters
Answer:
200 centimeters
2 meters

Question 7.
GO DEEPER
Write these lengths in order from shortest to longest.

Answer:
200 centimeters
1 meter
10 meters

Problem Solving • Applications

Question 8.
THINK SMARTER
Mr. Ryan walked next to a barn. He wants to measure the length of the barn. Would the length be a greater number of centimeters or a greater number of meters? Explain your answer.

Answer:
Meters as it is a realistic figure, centimeters would be far too small.

Question 9.
THINK SMARTER
Write the word on the tile that makes the sentence true.

A bench is 2 _______ long.
A pencil is 15 _______ long.
A paper clip is 3 ______ long.
A bed is 3 ______ long.
Answer:
A bench is 2 meters long.
A pencil is 15 centimeters long.
A paper clip is 3 centimeters long.
A bed is 3 meters long.

TAKE HOME ACTIVITY • Have your child describe how centimeters and meters are different.

Centimeters and Meters Homework & Practice 9.5

Measure to the nearest centimeter.
Then measure to the nearest meter.
Question 1.

______ centimeters
______ meters
Answer:
150 centimeters
1.5 meters

Question 2.

______ centimeters
______ meters
Answer:
100 centimeters
1 meter

Problem Solving
Question 3.
Sally will measure the length of a wall in both centimeters and meters. Will there be fewer centimeters or fewer meters? Explain.
_________________
_________________
Answer:
There would be a fewer meter. Since 1 m=100 cm.
Fewer centimeters because there will be fewer centimeters

Question 4.
WRITE
Would you measure the length of a bench in centimeters or in meters? Explain your choice.
Answer: Meters

Step-by-step explanation:
Reason: Usually, the bench length is bigger than the length of the chair and the table.
So it will be measured using meters. If we use a meter it will easy to measure and accurate because it somewhat bigger in length than a chair and table.
1 meter = 100 centimeters.
The standard length of a bench will 1.5 meters to 2 meters. Usually, 3 to 4 people will sit on the bench.

Lesson Check
Question 1.
Use a centimeter ruler. What is the length of the toothbrush to the nearest centimeter?

______ centimeters
Answer: 14 centimeters

Spiral Review
Question 2.
List a group of coins that equals 65 cents.
____________
_____________
Answer:

Question 3.
Janet has a poster that is about 3 feet long. Fill in the blanks with the word inches or feet to make the statement true.
3 ______ is longer than 12 ________.
Answer:
The measurement of feets is longer than inches.
1 feet = 12 inches
So, 3 feet is longer than 12 inches.

Question 4.
Last week, 483 children checked books out from the library. This week, only 162 children checked books out from the library. How many children checked out library books in the last two weeks?

Answer:

Given,
Last week, 483 children checked books out from the library.
This week, only 162 children checked books out from the library.
483
+162
642

Question 5.
List a group of coins with a value of $1.00?
______________
_____________
Answer:
100 pennies, 20 nickels, 10 dimes, or 4 quarters

Lesson 9.6 Estimate Lengths in Meters

Essential Question How do you estimate the lengths of objects in meters?

Listen and Draw

Find an object that is about 10 centimeters long. Draw and label it.
Answer: pencil

Is there a classroom object that is about 50 centimeters long? Draw and label it.
Answer: No

MATHEMATICAL PRACTICES
Describe how the lengths of the two real objects compare.
Answer: Measure the length of an object twice, using length units of different lengths for the two measurements

Model and Draw

Estimate. About how many meter sticks will match the width of a door?

about ______ meters
Answer: about 1 meter

Share and Show

Find the real object.
Estimate its length in meters.
Question 1.
bookshelf

about _______ meters
Answer: 2 meters

Question 2.
bulletin board

about _______ meters
Answer: 1 meter

On Your Own

Find the real object.
Estimate its length in meters.
Question 3.
teacher’s desk

about _______ meters
Answer: 2.5 meters

Question 4.
wall

about _______ meters
Answer:  4 meters

Question 5.
window

about _______ meters
Answer: 2 meters

Question 6.
chalkboard

about _______ meters
Answer: 2 meters

Problem Solving • Applications

Question 7.
THINK SMARTER
R In meters, estimate the distance from your teacher’s desk to the door of your classroom.
about ________ meters

Explain how you made your estimate.
___________________
___________________
Answer: 3 meters
Explanation: by estimating the distance from your teacher’s desk to the door of your classroom
in meters we will get 3 meters by using measuring tape

Question 8.
THINK SMARTER
Estimate the length of an adult’s bicycle. Fill in the bubble next to all the sentences that are true.

Answer:
The bicycle is about 200 centimeters long.
The bicycle is less than 1 meter long.

TAKE HOME ACTIVITY • With your child, estimate the lengths of some objects in meters.

Estimate Lengths in Meters Homework & Practice 9.6

Find the real object.
Estimate its length in meters.
Question 1.
poster

about ________ meters
Answer: 2 meters

Question 2.
chalkboard

about ________ meters
Answer: 2 meters

Problem Solving
Question 3.
Barbara and Luke each placed 2 meter sticks end-to-end along the length of a large table. About how long is the table?
about ________ meters
Answer: 4 meters

Question 4.
WRITE
Choose one object from above. Describe how you estimated its length.
__________________
__________________
Answer: Table
By comparing with the real world we can estimate the length of the table.

Lesson Check
Question 1.
What is the best estimate for the length of a real baseball bat?

_______ meter
Answer: 1 meter

Question 2.
What is the best estimate for the length of a real couch?

_______ meters
Answer: 2 meter

Spiral Review
Question 3.
Sara has two $1 bills, 3 quarters, and 1 dime. How much money does she have?
$ ____ . _____
Answer: $1 + $0.25 + $0.10 = $1.35

Question 4.
Use an inch ruler. What is the length of this straw to the nearest inch?

_______ inches
Answer: 3 inches

Question 5.
Scott has this money in his pocket. What is the total value of this money?

$ _____ . _____
Answer: $1.15

Lesson 9.7 Measure and Compare Lengths

Essential Question How do you find the difference between the lengths of two objects?

Listen and Draw

Measure and record each length.

_______ centimeters
Answer: 14 centimeters

_______ centimeters
Answer: 8 centimeters

HOME CONNECTION • Your child measured these lengths as an introduction to measuring and then comparing lengths.

MATHEMATICAL PRACTICES
Name a classroom object that is longer than the paintbrush. Explain how you know.
Answer: Chalk board
as it is 2 meters long which is more than a paint brush

Model and Draw

How much longer is the pencil than the crayon?

The pencil is _______ centimeters longer than the crayon.
Answer: 3 centimeters

Share and Show

Measure the length of each object. Complete the number sentence to find the difference between the lengths.
Question 1.

The string is ________ centimeters longer than the straw.
Answer: 13 – 9 = 4 centimeters

Question 2.

The paintbrush is ________ centimeters longer than the toothpick.
Answer: 15 – 5 = 10 centimeters

On Your Own

Measure the length of each object. Complete the number sentence to find the difference between the lengths.
Question 3.

The yarn is ________ centimeters longer than the crayon.
Answer: 10 – 8 = 2

Question 4.

The string is ________ centimeters longer than the paper clip.
Answer:
8 – 4 = 4 centimeters

Question 5.
THINK SMARTER
Use a centimeter ruler. Measure the length of your desk and the length of a book.

desk: ______ centimeters
book: ______ centimeters
Which is shorter? __________
How much shorter is it? __________
Answer:
book is shorter than desk.

Problem Solving • Applications

Analyze Relationships
Question 6.
Mark has a rope that is 23 centimeters long. He cuts 15 centimeters off. What is the length of the rope now?
_________ centimeters
Answer: 8 centimeters

Question 7.
The yellow ribbon is 15 centimeters longer than the green ribbon. The green ribbon is 29 centimeters long. What is the length of the yellow ribbon?
_________ centimeters
Answer: 44 centimeters

Question 8.
THINK SMARTER +
Measure the length of each object. Which object is longer? How much longer? Explain.

________________
__________________
Answer:  Marker is 11 centimeters
and the string is 6 centimeters
hence the marker is longer than the string

TAKE HOME ACTIVITY • Have your child tell you how he or she solved one of the problems in this lesson.

Measure and Compare Lengths Homework & Practice 9.7

Measure the length of each object. Write a number sentence to find the difference between the lengths.
Question 1.

The craft stick is ________ centimeters longer than the chalk.
Answer: 3 centimeters

Explanation:
The length of the craft stick is 8 centimeters
The length of chalk is 6 centimeters
11 – 8 = 3
Thus the craft stick is 3 centimeters longer than the chalk.

Problem Solving

Solve. Write or draw to explain.
Question 2.
A string is 11 centimeters long, a ribbon is 24 centimeters long, and a large paper clip is 5 centimeters long. How much longer is the ribbon than the string?
________ centimeters longer
Answer: 19 centimeters longer

Question 3.
WRITE
Suppose the lengths of two strings are 10 centimeters and 17 centimeters. Describe how the lengths of these two strings compare.
_____________________
______________________
Answer:
The length of the second string is 7 centimeters longer than the first string.

Lesson Check
Question 1.
How much longer is the marker than the paper clip? Circle the correct answer.

11 centimeters longer
8 centimeters longer
10 centimeters longer
5 centimeters longer
Answer: 11 centimeters

Spiral Review
Question 2.
What is the total value of these coins?

$ _______ or ______ cents
Answer: 100 cents and 1 $

Question 3.
What is a reasonable estimate for the length of a real chalkboard?
_______ feet
Answer: 5 feet

Question 4.
Cindy leaves at half past 2. At what time does Cindy leave?
___ : ___
Answer: 02:30

Length in Metric Units Review/Test

Question 1.
Michael uses unit cubes to measure the length of the yarn. Circle the number in the box that makes the sentence true.

Answer: The yarn is 4 centimeters long.

Question 2.
The paper clip is about 4 centimeters long. Robin says the string is about 7 centimeters long. Gale says the string is about 20 centimeters long.

Which girl has the better estimate? Explain.
_______________
_______________
Answer: Robin has a better estimation.

Question 3.
GO DEEPER
Sandy’s paper chain is 14 centimeters long. Tim’s paper chain is 6 centimeters long. How many centimeters of the paper chain do they have? Draw a diagram. Write a number sentence using a ☐ for the missing number. Then solve.

____________
The paper chain is _________ centimeters long now.
Answer:
Given,
Sandy’s paper chain is 14 centimeters long. Tim’s paper chain is 6 centimeters long.
14 + 6 = 20
The paper chain is 20 centimeters long now.

Question 4.
Write the word on the tile that makes the sentence true.

A hallway is 4 ______ long.
A marker is 15 ______ long.
A toothpick is 5 ______ long.
A sofa is 2 _______ long.
Answer:
A hallway is 4 meters long.
A marker is 15 centimeters long.
A toothpick is 5 centimeters long.
A sofa is 2 meters long.

Question 5.
Estimate the length of a real car. Fill in the bubble next to all the sentences that are true.

Answer:
The car is less than 6 meters long

Question 6.
THINK SMARTER
Measure the length of each object. Does the sentence describe the objects? Choose Yes or No.

Answer: By seeing the above figure we can say that the crayon is 4 centimeters shorter than the marker.

Question 7.
Ethan’s rope is 25 centimeters long. Ethan cuts the rope and gives a piece to Hank. Ethan’s rope is now 16 centimeters long. How many centimeters of rope does Hank have?
Draw a diagram. Write a number sentence using a ☐ for the missing number. Then solve.

______________
Hank has ________ centimeters of rope.
Answer:

Given,
Ethan’s rope is 25 centimeters long.
Ethan cuts the rope and gives a piece to Hank.
Ethan’s rope is now 16 centimeters long.
25 – 16 = 9 centimeters
Thus Hank has 9 centimeters of rope.

Question 8.
Measure the length of the paintbrush to the nearest centimeter. Circle the number in the box that makes the sentence true.

Answer: The paintbrush is about 14 centimeters long.

Conclusion:

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