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Big Ideas Math Book Grade 2 Answer Key Chapter 11 Measure And Estimate Lengths
Students who want to improve their math skills can refer to this Big Ideas Math 2nd Grade 11th Chapter Measure And Estimate Lengths Solutions and prepare well. By solving the questions, you can know how to use a ruler to measure lengths, compare the measurements of different objects. One can finish their homework easily by checking Big Ideas Math Answers Grade 2 Chapter 11 Measure And Estimate Lengths. Click on the topic-wise links mentioned below to get the answers for all types of questions related to Measure And Estimate Lengths.
Vocabulary
Lesson: 1 Measure Lengths in Centimeters
Lesson: 2 Measure Objects Using Metric Length Units
- Lesson 11.2 Measure Objects Using Metric Length Units
- Measure Objects Using Metric Length Units Homework & Practice 11.2
Lesson: 3 Estimate Lengths in Metric Units
- Lesson 11.3 Estimate Lengths in Metric Units
- Estimate Lengths in Metric Units Homework & Practice 11.3
Lesson: 4 Measure Lengths in Inches
Lesson: 5 Measure Objects Using Customary Length Units
- Lesson 11.5 Measure Objects Using Customary Length Units
- Measure Objects Using Customary Length Units Homework & Practice 11.5
Lesson: 6 Estimate Lengths in Customary Units
- Lesson 11.6 Estimate Lengths in Customary Units
- Estimate Lengths in Customary Units Homework & Practice 11.6
Lesson: 7 Measure Objects Using Different Length Units
- Lesson 11.7 Measure Objects Using Different Length Units
- Measure Objects Using Different Length Units Homework & Practice 11.7
Lesson: 8 Measure and Compare Lengths
Chapter 11: Measure And Estimate Lengths
Measure And Estimate Lengths Vocabulary
Organize It
Use the review words to complete the graphic organizer.
Answer: Tree is measured bu Height and Bird is measured by Length
Define It
Use your vocabulary cards to match.
Lesson 11.1 Measure Lengths in Centimeters
Explore and Grow
Use a centimeter cube to find the length of each string.
Answer:
Explain how you measured.
______________________
______________________
______________________
Answer: The centimeters were measured by Scale.
Show and Grow
Measure.
Question 1.
about _______ centimeters
Answer: 1 centimeters
Question 2.
about ________ centimeters
Answer: 12 centimeters
Question 3.
about ______ centimeters
Answer: 20 centimeters
Apply and Grow: Practice
Measure.
Question 4.
about ______ centimeters
Answer: 15 centimeters
Question 5.
about ______ centimeters
Answer: 4 centimeters
Question 6.
Draw a pencil that is about 9 centimeters long.
Answer:
Question 7.
YOU BE THE TEACHER
Newton says the ribbon is about 14 centimeters long. Is he correct? Explain.
_______________________
_______________________
Answer: No. It is not correctly measured on a scale. It should be measured from 0 cm to 14 cms.
Think and Grow: Modeling Real Life
Will the hammer fit inside a toolbox that is 40 centimeters long? Explain.
______________________
______________________
Answer: The toolbox will be around 50 centimeters long, So the Hammer with 40 centimeters will fit in it.
Show and Grow
Question 8.
Will the sunglasses fit inside a case that is 10 centimeters long? Explain.
________________________
________________________
Answer: Yes, Sunglasses will fit inside the case that is 10 centimeters as Sunglasses will be around 9 centimeters.
Measure Lengths in Centimeters Homework & Practice 11.1
Measure.
Question 1.
about ______ centimeters
Answer: about 8 centimeters
Question 2.
about _______ centimeters
Answer: about 15 centimeters
Question 3.
about _______ centimeters
Answer: about 3 centimeters
Question 4.
about _______ centimeters
Answer: about 6 centimeters
Question 5.
Precision
Which crayon is shorter than 8 centimeters?
Answer: Yellow and Green crayons are shorter than 8 centimeters.
Question 6.
Modeling Real Life
Will the pen fit inside a pouch that is 18 centimeters long? Explain.
______________________
_______________________
Answer: Yes the pen will fit inside a pouch that is 18 centimeters long as the pen is around 15 centimeters.
Review & Refresh
Question 7.
Answer: 55
Question 8.
Answer: 90
Question 9.
Answer: 101
Lesson 11.2 Measure Objects Using Metric Length Units
Explore and Grow
Which real-life objects are shorter than a centimeter ruler?
Answer:
Show and Grow
Find and measure the object shown in your classroom.
Question 1.
about _______ meter
Answer: 3 meter
Question 2.
meter ______ centimeters
Answer: 3 centimeters
Question 3.
about _______ meters
Answer: 2 meter
Apply and Grow: Practice
Find and measure the object shown in your classroom.
Question 4.
about _______ meters
Answer: 3 meters
Question 5.
about ______ centimeters
Answer: 15 centimeters
Question 6.
about _______ meters
Answer: 2 meters
Question 7.
about ______ centimeters
Answer: 30 centimeters
Question 8.
Choose Tools
Would you measure the length of a bus with a centimeter ruler or a meter stick? Why?
________________________
________________________
Answer: The length of a bus can be measured with a meter stick because the bus is big inside.
The centimeter-scale is small and the meter scale is big.
Think and Grow: Modeling Real Life
Your friend says a car has a length of about 4. Is the car about 4 meters long or about 4 centimeters long? Explain.
The car is about 4 ________ long.
________________________
________________________
Answer: The car is about 4 meters long.
Show and Grow
Question 9.
Your friend says a shoe has a length of about 12. Is the shoe about 12 centimeters long or about 12meters long? Explain.
The shoe is about 12 ____________ long.
______________________
______________________
Answer: The shoe is about 12 centimeters long.
Question 10.
DIG DEEPER!
Your friend places 2 of the same real objects end to end. Together, they have a length of about 18 centimeters. Which object did your friend use? Explain.
_________________________
_________________________
Answer: 1st and 2nd object together will be 18 centimeters. As 3rd object will be larger than 18 centimeters.
Measure Objects Using Metric Length Units Homework & Practice 11.2
Find and measure the object.
Question 1.
about ______ meters
Answer: 7 meters
Question 2.
about ______ centimeters
Answer: about 1000 centimeters
Question 3.
about ______ centimeters
Answer: 20 centimeters
Question 4.
about ______ meters
Answer: 3 meters
Question 5.
Number Sense
Complete the sentences using centimeters or meters.
A window is about 2 ________ long.
Answer: A window is about 2 meters long.
A finger is about 8 ______ long.
Answer: A finger is about 8 centimeters long.
A zucchini is about 12 _______ long.
Answer: A zucchini is about 12 centimeters long.
An airplane is about 20 _______ long.
Answer: An airplane is about 20 meters long.
Question 6.
Modeling Real Life
Your friend says that the length of a soccer field is about 91. Is the soccer field about 91 centimeters long or about 91 meters long? Explain.
The soccer field is about 91 _______ long.
______________________
_______________________
Answer: The soccer field is about 91 meters long.
Question 7.
DIG DEEPER!
Order the lengths from shortest to longest.
_________, _________, _________
Answer: 3 centimeters, 1 meter, 200 centimeter.
Review & Refresh
Question 8.
3 + 7 = _____ + 3
Answer: 7+3
The commutative property of addition says that changing the order of addends does not change the sum.
So, 3 + 7 = 7 + 3
Question 9.
5 + 4 = 4 + ______
Answer: 4+5
The commutative property of addition says that changing the order of addends does not change the sum.
So, 5 + 4 = 4 + 5
Question 10.
6 + 0 = ____ + 6
Answer: 0+6
The commutative property of addition says that changing the order of addends does not change the sum.
So, 6 + 0 = 0 + 6
Question 11.
1 + 2 = 2 + ____
Answer: 2+1
The commutative property of addition says that changing the order of addends does not change the sum.
So, 1 + 2 = 2 + 1
Lesson 11.3 Estimate Lengths in Metric Units
Explore and Grow
Find an object that is shorter than the string.
Without using a ruler, tell how long you think the object is.
Answer: Pencil
______ centimeters
Answer: 12 centimeters
Explain.
________________________
________________________
Answer: The Pencil is around 12 centimeters which is shorter than the 13 centimeters string.
Show and Grow
Question 1.
The chalk is about 8 centimeters long. What is the best estimate of the length of the toothpick?
Answer: 6 centimeters
Question 2.
The fishing pole is about 1 meter long. What is the best estimate of the length of the alligator?
Answer: 3 meters
Apply and Grow: Practice
Question 3.
The hover board is about 1 meter long. What is the best estimate of the length of the surfboard?
Answer: 2 meters
Question 4.
The pineapple is about 25 centimeters long. What is the best estimate of the length of the asparagus?
Answer: 20 centimeters
Question 5.
What is the best estimate of the length of a piece of notebook paper?
21 centimeters
1 meter
5 centimeters
Answer: 21 centimeters
Question 6.
What is the best estimate of the height of a traffic light?
1 meter
5 meter
30 centimeters
Answer: 5 meter
Question 7.
Precision
Match.
Answer:
Think and Grow: Modeling Real Life
The leaf is about 8 centimeters long. Draw a tree branch that is about 16 centimeters long.
Answer:
Show and Grow
Question 8.
The piece of celery is about 10 centimeters long. Draw a carrot that is about 5 centimeters long.
Answer:
Question 9.
DIG DEEPER!
Each bead is about 2 centimeters long. Draw a rectangular bead that is about 3 centimeters long.
How did you use the length of the given beads to draw the rectangular bead?
________________________
__________________________
Answer:
The length of given rectangular beads were measured with scale.
Estimate Lengths in Metric Units Homework & Practice 11.3
Question 1.
The swimming pool is about 12 meters long. What is the best estimate of the length of the raft?
Answer: 2 meters
Explanation: The length of the Swimming pool is 12 meters long, the raft length will be 2 meters as it is very small.
Question 2.
What is the best estimate of the height of a tulip?
Answer: 4 meters
Explanation: The height of the tulip is big so, It can be estimated by 4 meters.
Question 3.
What is the best estimate of the height of a giraffe?
Answer: 50 meters.
Explanation: The height of the giraffe is big so it can be estimated by 50 meters.
Question 4.
Logic
Newton says the best estimate for the height of a skyscraper is 4 meters. Do you agree? Explain.
_______________________
_______________________
Answer: No, The skyscraper’s estimated height is 150 meters.
Question 5.
Modeling Real Life
A granola bar is about 9 centimeters long. Draw its wrapper that is about 12 cm long.
Answer:
Review & Refresh
Is the equation true or false?
Question 6.
Answer: True
Explanation: 13-5=8 and 15-7=8, they are equal.
Question 7.
Answer: False
3+6=9 and 11-3=8, They are not equal.
Question 8.
Answer: True
Explanation: 2+10=12 and 6+6=12
Question 9.
Answer: False
14-9=5 and 4+9=13
Lesson 11.4 Measure Lengths in Inches
Explore and Grow
Use an inch tile to find the length of each string.
Explain how you measured.
______________________
______________________
Answer: It is measured with inch scale.
Show and Grow
Measure.
Question 1.
about _______ inches
Answer: about 3 inches
Question 2.
about ______ inch
Answer: about 1 inch
Question 3.
about _______ inches
Answer: about 6 inches.
Apply and Grow: Practice
Measure.
Question 4.
about ______ inches
Answer: about 6 inches
Question 5.
about ______ inches
Answer: about 2 inches
Question 6.
Draw a crayon that is about 4 inches long.
Answer:
Question 7.
YOU BE THE TEACHER
Your friend says the watch is about 6 inches long. Is your friend correct? Explain.
Answer: It is 6 inches but it should be measured from 0 inch to 6 inches.
Think and Grow: Modeling Real Life
Will the toothbrush fit inside a case that is 4 inches long? Explain.
_________________________
_________________________
Answer: No
Explantion: It cannot be fit in 4 inches case because the toothbrush is about 8 inches long.
Show and Grow
Question 8.
Will the colored pencil fit inside a pencil box that is 8 inches long? Explain.
________________________
__________________________
Answer: Yes
Explanation: The colored pencil can be fit in pencil box as colored pencil will be about 5 inches long.
Measure Lengths in Inches Homework & Practice 11.4
Measure.
Question 1.
about _____ inch
Answer: About 2 inch.
Question 2.
about _______ inches
Answer: about 3 inches.
Question 3.
about _____ inches
Answer: about 6 inches.
Question 4.
YOU BE THE TEACHER
Newton says the highlighter is about 5 centimeters long. Is he correct? Explain.
______________________
_______________________
Answer: No, The highlighter will be about 11 centimeters long, So Newton is wrong as 5 centimeters is very small.
Question 5.
Modeling Real Life
Will the screwdriver fit inside a case that is 5 inches long? Explain.
____________________________
____________________________
Answer: Yes
Explanation: The screwdriver will be about 4.5 inches long so it will fit in 5 inches case.
Review & Refresh
Question 6.
Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.
_____ tens ______ hundreds _____
Answer: 50 tens 5 hundreds 500
Lesson 11.5 Measure Objects Using Customary Length Units
Explore and Grow
Which real-life objects are longer than an inch ruler?
Answer:
Show and Grow
Find the object shown in your classroom. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.
Question 1.
Tool: _______
Length: about _________
Answer: Tool: Inch ruler
Length: about 14 inches
Question 2.
Tool: _______
Length: about ________
Answer: Tool: Yardstick
Length: 2 meters
Question 3.
Tool: _______
Length: about _________
Answer: Toot: Measuring tape
Length: about 15 centimeters
Apply and Grow: Practice
Find the object shown in your classroom. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.
Question 4.
Tool: __________
Length: about ________
Answer: Tool: inch ruler
Length: about 3 inches
Question 5.
Tool: _________
Length: about ____________
Answer: Tool: measuring tape
Length: about 200 centimeters
Question 6.
Find and measure an object using a measuring tape.
Object: _________
Length: about __________
Answer: Object: Chair
Length: about 100 centimeters
Question 7.
Find and measure an object using an inch ruler.
Object: ________
Length: about _________
Answer: Object: Phone
Length: about 6 inches
Question 8.
Choose Tools
Would you measure the length of the playground with an inch ruler or a yardstick? Explain.
______________________
______________________
Answer: The length of the playground can be measured with a yardstick because the yardstick is long and it will be easy to measure long objects like length of playground.
Think and Grow: Modeling Real Life
Your friend says her height is about 4. Is she about 4 inches tall, about 4 feet tall, or about 4 yards tall? Explain.
She is about 4 ______ tall.
______________________
______________________
Answer: She is about 4 feet tall
Explanation: The height of a person is measured in feet.
Show and Grow
Question 9.
Your friend says the length of a baseball bat is about 1. Is the bat about 1 inch long, about 1 foot long, or about 1 yard long? Explain.
________ long.
_________________________
_________________________
Answer: 1 foot long
Explanation: The length a baseball bat is 1 foot long.
Question 10.
Your friend says the length around an orange is about 9. Is the length about 9 inches long, about 9 feet long, or about 9 yards long? Explain.
The length is about 9 ________ long.
________________________
_________________________
Answer: The length is about 9 inches long.
Explanation: The orange is small object so it can be measured in inches.
Measure Objects Using Customary Length Units Homework & Practice 11.5
Find the object shown. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.
Question 1.
Tool: ______
Length: about _______
Answer:
Question 2.
Tool: _______
Length: about ____________
Answer: Object: Basket
Tool: Measuring tape
Length: about 60 centimeters
Question 3.
Find and measure an object using an inch ruler.
Object: _________
Length: about __________
Answer: Object: Pencil
Length: about 8 inches
Question 4.
Find and measure an object using a yard stick.
Object: ____________
Length: about __________
Answer:Object: Door
Length: about 3 meter
Question 5.
YOU BE THE TEACHER
Descartes says the best tool to measure the length around a basketball is an inch ruler. Is he correct? Explain.
________________________
________________________
Answer: No
Explanation: The length of the basketball cannot be measured with inch ruler, it can be measured with measuring tape.
Question 6.
Modeling Real Life
Your friend says that the length of a toothbrush is about 8. Is the toothbrush about 8 inches, about 8 feet, or about 8 yards long? Explain.
The toothbrush is about 8 _______ long.
________________________
________________________
Answer: The toothbrush is about 8 inches long
Explanation: The toothbrush is small object so it can be measured with inch ruler.
Question 7.
DIG DEEPER!
Order the lengths from shortest to longest.
Answer: 2 feet 1 yard 39 inches
Explanation: 1 feet=12 inches, 12+12=24 inches
1 yard=36 inches
Review & Refresh
Question 8.
You read for 55 minutes. Your friend reads 28 fewer minutes. How many minutes does your friend read?
_____ minutes
Answer: 27 minutes
Explanation:
Given,
You read for 55 minutes. Your friend reads 28 fewer minutes.
28 – 55 = 27
Thus your friend read for 27 minutes
Question 9.
You score 23 points. Your two friends score 56 and 18 points. How many points do you and your friends score in all?
______ points
Answer: 97 points
Explanation:
Given,
You score 23 points. Your two friends score 56 and 18 points.
23 + 56 + 18 = 97 points
Thus you and your friend score 97 points in all/
Lesson 11.6 Estimate Lengths in Customary Units
Explore and Grow
Find an object that is shorter than the string. Draw the object.
Without using a ruler, tell how long you think the object is.
______ inches
Explain
____________________________
____________________________
Answer: Crayon, 4 inches
Explanation: The crayon is about 4 inches and it is shorter than 5 inches string.
Show and Grow
Question 1.
The pipe cleaner is about 3 inches long. What is the best estimate of the length of the craft stick?
Answer: The length of craft stick is 4 inches.
Question 2.
The dog leash is about 5 feet long. What is the best estimate of the length of the dog collar?
Answer: The length of the dog collar is about 1 foot.
Apply and Grow: Practice
Question 3.
The poster is about 18 inches long. What is the best estimate for the length of the bed?
Answer: The length of bed is about 75 inches.
Question 4.
The jump rope is about 6 feet long. What is the best estimate of the length of the dog?
Answer: The length of the dog is about 4 feet.
Question 5.
What is the best estimate of the length of a garage?
8 inches
8 feet
8 yards
Answer: The length of a garage is about 8 yards.
Question 6.
What is the best estimate of the height of a flag pole?
20 inches
20 feet
20 yards
Answer: The height of a flag pole is about 20 yards.
Question 7.
Precision
Match
Answer:
Convert from feet and yards to inches.
1 feet = 12 inches
5 feet = 60 inches
1 yard = 36 inches
5 yard = 180 inches
Think and Grow: Modeling Real Life
The sticker is about 1 inch long. Draw another sticker that is about 2 inches long.
Answer:
Show and Grow
Question 8.
The worm is about 4 inches long. Draw a caterpillar that is about 2 inches long.
Answer:
Question 9.
DIG DEEPER!
Each toy truck is about 2 inches long. Draw a building block that is about 3 inches long.
How did you use the length of the toy trucks to draw the building block?
__________________________
____________________________
Answer: You can expand the length of the toy trucks to draw the building block.
Estimate Lengths in Customary Units Homework & Practice 11.6
Question 1.
The driveway is about 20 yards long. What is the best estimate of the length of the truck?
Answer: The length of the truck is about 15 yards.
Question 2.
What is the best estimate of the height of a basketball hoop?
Answer: The height of the basket hoop is about 3 yards.
Question 3.
What is the best estimate of the length of a hair brush?
Answer: The length of a hair brush is about 8 inches.
Question 4.
Logic
Descartes says the best estimate for the height of the Statue of Liberty is 5 yards. Do you agree? Explain.
_______________________
_______________________
Answer: No, The height of the Statue of Liberty is 5 yards.
Explanation: The height of the statue of liberty is very tall, it is about 100 yards.
Question 5.
Modeling Real Life
The bug is about 4 inches long. Draw a bug that is about 2 inches long.
Answer:
Question 6.
DIG DEEPER!
Each paperclip is about 2 inches long. Draw a pen that is about 5 inches long.
Answer:
Review & Refresh
Question 7.
12 − 4 = ______
Answer: 8
Question 8.
15 − 6 = ________
Answer: 9
Lesson 11.7 Measure Objects Using Different Length Units
Explore and Grow
Measure the length of the string in inches then in centimeters.
______ inches _______ centimeters
Are there more inches or centimeters? Why?
_____________________________
______________________________
Answer: 4.72 inches 12 centimeters
Show and Grow
Find and measure the object shown in your classroom two ways.
Question 1.
about ______ centimeters
Answer: about 30 centimters
about ______ inches
about 15 inches
Did you use fewer centimeters or fewer inches to measure?
centimeters inches
Answer: inches
Question 2.
about _______ meters
about _______ feet
Did you use fewer meters or fewer feet to measure?
meters feet
Answer: about 2 meters
about 6 feet
meters.
Apply and Grow: Practice
Find and measure the object shown in your classroom two ways.
Question 3.
about _____ centimeters
about ______ inches
Did you use fewer centimeters or fewer inches to measure?
centimeters inches
Answer: about 2 centimeters
about 1 inch
inch
Question 4.
about _____ meters
about ______ feet
Did you use more meters or more feet to measure?
meters feet
Answer: about 3 meters
about 9 feet
feet
Question 5.
Would you use more centimeters, inches, or feet to measure the length of a calculator?
Answer: Centimeters
Question 6.
Writing
What do you notice about the relationship between inches and centimeters? feet and meters?
________________________
_________________________
Answer: 1 inch is equal to 0.39 centimeters
1 foot is equal to 0.30 meters
Think and Grow: Modeling Real Life
Do you use fewer centimeters or fewer meters to measure the length of your house? Explain.
centimeters meters
__________________________
__________________________
Answer: Meters
Explanation: 1 meter is equal to 100 centimeter, The length of the house is big So, it is easy to measure with meter.
Show and Grow
Question 7.
Do you use fewer feet or fewer yards to measure the length of a football field? Explain.
feet yards
_________________________
_________________________
Answer: Yards.
1 yard=36 inches
1 feet= 12 inches
The length of the football field is big. So, it is measured with yards.
Question 8.
Do you use more meters or more feet to measure the length of your school? Explain.
meters feet
______________________
______________________
Answer: Feet
Explanation: 1 feet=12 inches
1 meter=39 inches
We use more feet to measure the length of the school.
Measure Objects Using Different Length Units Homework & Practice 11.7
Find and measure the object shown in two ways.
Question 1.
about _______ centimeters
about _____ inches
Did you use more centimeters or more inches to measure the length of the umbrella?
centimeters inches
Answer: about 100 centimeters
about 40 inches
We use more centimeters to measure the length of the umbrella.
Question 2.
about _____ meters
about _____ feet
Did you use fewer meters or fewer feet to measure the height of the cabinet?
meters feet
Answer: about 3 meters
about 10 feet
meter
Question 3.
Would you use more centimeters, inches, or feet to measure the height of a lamp?
centimeters
inches
feet
Answer: centimeters
Question 4.
Would you use fewer inches, meters, or feet to measure the length of a sink?
inches
meters
feet
Answer: Feet
Question 5.
Reasoning
Order the lengths from shortest to longest.
_______, ________, _________
Answer: 12 centimeter, 12 inches, 12 feet
Question 6.
________, ________, ________
Answer: 2 centimeter, 2 feet, 2 meters
Question 7.
Precision
What is the best estimate of the height of a maraca?
9 inches
10 centimeters
3 centimeters
Answer: 10 centimeters
Question 8.
Modeling Real Life
Do you use fewer feet or fewer yards to measure the length of a hallway? Explain.
______________________
______________________
Answer: fewer feet
Review & Refresh
Circle the values of the underlined digit.
Question 9.
634
4
4 ones
4 hundreds
Answer: 4 ones
Question 10.
918
900
9 hundreds
100
Answer: 9 hundreds
Question 11.
257
0
5 tens
50
Answer: 5 tens
Lesson 11.8 Measure and Compare Lengths
Explore and Grow
Measure the fish. Circle the longer fish.
Answer: 10 centimeters
Show and Grow
Question 1.
How many centimeters longer is the marker than the paper clip?
Answer: 10-4=6 centimeters.
Apply and Grow: Practice
Question 2.
How many centimeters shorter is the binder clip than the stick of gum?
Answer: 4-1=3 inches
Question 3.
A finger is 4 centimeters longer than the finger nail. How long is the finger?
_______ centimeters
Answer: 1 centimeters
Question 4.
Writing
Explain how you found the length of the finger in Exercise 3.
______________________
______________________
Answer:
Think and Grow: Modeling Real Life
Whose path to school is longer? How much longer is it?
Addition equations:
Whose path is longer: Your path Friend’s path
Subtraction equation:
______ yards
Answer: Addition equations: your path 12+16=28 yards, your friend’s path 56+4=60 yards.
Whose path is longer: Your path Friend’s path
Subtraction equation: 60-28=32 yards
Show and Grow
Question 5.
Whose path to the pond is shorter? How much shorter is it?
Your path Friend’s path
______ meters
Answer: your path: 6+28=34 meters, your friend’s path: 7+15=22 meters
Your friend’s path to the pond is shorter.
It is shorter than 12 meters.
Measure and Compare Lengths Homework & Practice 11.8
Question 1.
How many inches longer is the branch than the worm?
Answer: 15 inches Branch
5 inches worm
15-5=10 inches
Question 2.
DIG DEEPER!
The length of a piece of string is 8 inches long. You cut off 5 inches. Draw the length of the string that is left.
Answer: _____________________________________________________________________________ – 8 inches
___________________________________________________ – 5 inches
8-5 inches=3 inches.
Question 3.
Modeling Real Life
Whose path to the playground is longer? How much longer is it?
Your path Friend’s path
_____ yards
Answer: Your path: 12+53=65 yards, Your friend’s path: 61+7=68 yards.
Your friend’s path is longer.
68-65=3 yards, It is longer by 3 yards.
Review & Refresh
Question 4.
Count by ones.
_____, _____, 71, _____, 73, _____, _____, 76
Answer: 69, 70, 71, 72, 73, 74, 75, 76
Explanation: There is difference of one number arranged in ascending order.
Question 5.
Count by fives.
85, 90, ____, _____, ______, _____, ______, ______
Answer: 85, 90, 95, 100, 105, 110, 115, 120.
Explanation: There is difference of five numbers arranged in ascending order.
Question 6.
Count by tens.
_____, 43, 53, _____, _____, ______, 93, ______
Answer: 33, 43, 53, 63, 73, 83, 93, 103.
Explanation: There is difference of ten numbers arranged in ascending order.
Measure And Estimate Lengths Performance Task
You are planting a rooftop garden. You want to build a fence around the garden. You have a piece of wood that is 16 feet long.
Question 1.
a. Which designs can you make?
b. You choose the rectangular design. Use repeated addition to find the length of each side in inches.
5 ft = _____ + ____ + ____ + _____ + _____ = in.
2 ft = ______ + ______ = in.
Answer: 5 ft =12 + 12 + 12 + 12 + 12= in
2 ft= 12 + 12 = in
Question 2.
Each seed you plant must be 6 inches apart and 6 inches away from the sides. Draw to find the number of seeds you can plant in your garden.
_____ seeds
Answer: 20 seeds
Measure And Estimate Lengths Activity
Spin and Cover
To Play: Players take turns. On your turn, spin one spinner. Then cover the item you would measure using that unit. Continue playing until all objects are covered.
Measure And Estimate Lengths Chapter Practice
11.1 Measure Lengths in Centimeters
Measure.
Question 1.
about ______ centimeters
Answer: about 2 centimeters
Question 2.
about ______ centimeters
Answer: about 4 centimeters
11.2 Measure Objects Using Metric Lengths
Find and measure the object
Question 3.
about ______ meters
Answer: 1.5 meters
Question 4.
about _______ centimeters
Answer: about 15 centimeters
11.3 Estimate Lengths in Metric Units
Question 5.
The book is about 20 centimeters long. What is the best estimate of the length of the bookmark?
Answer: 10 centimeters
Question 6.
What is the best estimate of the length of a paintbrush?
Answer: 22 centimeters
11.4 Measure Lengths in Inches
Measure.
Question 7.
about ______ inches
Answer: about 30 inches
Question 8.
about ______ inches
Answer: about 4 inches
11.5 Measure Objects Using Customary Length Units
Find the object shown. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.
Question 9.
Tool: ______
Length: about _______
Answer: Object: Pencil stand
Tool: Measuring tape
Length: about 15 centimeters
Question 10.
Tool: _____
Length: about _______
Answer: Object: Calender
Tool: inch ruler
Length: about 10 inch
11.6 Estimate Lengths in Customary Units
Question 11.
The couch is about 8 feet long. What is best estimate of the length of the end table?
Answer: The length of the end table is 2 feet.
Question 12.
What is the best estimate of the length of a pond?
Answer: The length of a pond is 30 feet.
11.7 Measure Objects Using Different Length Units
Question 13.
Would you use more centimeters, meters, or inches to measure the length of a pencil?
centimeters
meters
inches
Answer: centimeters
Question 14.
Would you use fewer centimeters, meters, or feet to measure the length of the teacher’s desk?
centimeters
meters
feet
Answer: meters
Question 15.
YOU BE THE TEACHER
Newton says he uses more feet than meters to measure the length of a bicycle. Is he correct? Explain.
______________________
________________________
Answer: Yes Newton uses more feet than meters to measure the length of a bicycle.
11.8 Measure and Compare Lengths
Question 16.
A guinea pig cage is 51 centimeters longer than the guinea pig. How long is the cage?
_______ centimeters
Answer: 20 centimeters
Conclusion:
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