Eureka Math

Engage NY Eureka Math Kindergarten Module 1 Lesson 8 Answer Key

Eureka Math Kindergarten Module 1 Lesson 8 Problem Set Answer Key

Count the objects. Circle the correct number.

Answer:

Eureka Math Kindergarten Module 1 Lesson 8 Exit Ticket Answer Key

Count. Circle the number that tells how many.

Answer:

Eureka Math Kindergarten Module 1 Lesson 8 Homework Answer Key

Count. Circle the number that tells how many.

Answer:

Engage NY Eureka Math Kindergarten Module 1 Lesson 6 Answer Key

Eureka Math Kindergarten Module 1 Lesson 6 Problem Set Answer Key

Look at the shelf. Color the things in groups of 2 red. Color the things in groups of 3 blue. Color the things in groups of 4 orange.

Answer:

Eureka Math Kindergarten Module 1 Lesson 6 Exit Ticket Answer Key

Match the groups that have the same number.

Answer:

Eureka Math Kindergarten Module 1 Lesson 6 Homework Answer Key

Draw lines to put the treasures in the boxes.

Answer:

Engage NY Eureka Math Kindergarten Module 1 Lesson 7 Answer Key

Eureka Math Kindergarten Module 1 Lesson 7 Problem Set Answer Key

Color each numeral card as directed. Count the objects in each group. Then, color the group of objects the same color as the numeral card that it matches.

Answer:

Count the shapes. Color in the box that tells how many there are.

Answer:

Color each numeral card as directed. Count the objects in each group. Then, color the group of objects the same color as the numeral card that it matches.

Answer:

Engage NY Eureka Math Kindergarten Module 1 Lesson 4 Answer Key

Eureka Math Kindergarten Module 1 Lesson 4 Problem Set Answer Key

Use the cutouts. Glue the pictures to show where to keep each thing.

Answer:

Cutouts for the Problem Set

Eureka Math Kindergarten Module 1 Lesson 4 Exit Ticket Answer Key

Circle the animals that belong to one group, and underline the animals that belong to the other group.

Answer:

What is the same about the animals in each group? (Discuss with a friend.)
Answer:

Eureka Math Kindergarten Module 1 Lesson 4 Homework Answer Key

Circle the things that belong to one group, and underline the things that belong to the other group. Tell an adult why the items in each group belong together.

Answer:

Engage NY Eureka Math Kindergarten Module 1 Lesson 3 Answer Key

Eureka Math Kindergarten Module 1 Lesson 3 Problem Set Answer Key

Draw a line between the objects that have the same pattern. Talk with a neighbor about the objects that match.

Answer:

In the first image, one is a teacup with a saucer and another is just a saucer plate
In the second image, one is a red coloured triangle and another is red coloured circle

Circle the object that would be used together with the object on the left.

Answer:

Eureka Math Kindergarten Module 1 Lesson 3 Exit Ticket Answer Key

Draw a connecting line between shapes with the same pattern.

Answer:

Circle the things that are used together. Explain your choice.

Answer:

Eureka Math Kindergarten Module 1 Lesson 3 Homework Answer Key

Draw something that you would use with each. Tell why.

Answer:

first image related to apple juice in a glass
second image boxing gloves related to sand bag

Make a picture of 2 things you use together. Tell why.

Answer:

boxing gloves related to sandbag they both use together.

Engage NY Eureka Math Kindergarten Module 1 Lesson 2 Answer Key

Eureka Math Kindergarten Module 1 Lesson 2 Problem Set Answer Key

Use your ruler to draw a line between two objects that match.
Use your words. “These are the same, but this one is ________, and this one is ________.”

Answer:

Eureka Math Kindergarten Module 1 Lesson 2 Exit Ticket Answer Key

Use your ruler to draw a line between two objects that match.
Use your words. “These are the same, but this one is ________, and this one is ________.”

Answer:

Eureka Math Kindergarten Module 1 Lesson 2 Homework Answer Key

Draw a line between two objects that match. Use your words. “These are the same, but this one is ________, and this one is ________.”

Answer:

Engage NY Eureka Math Kindergarten Module 1 Lesson 1 Answer Key

Eureka Math Kindergarten Module 1 Lesson 1 Problem Set Answer Key

Find animals that are exactly the same. Then, find animals that look like each other but are not exactly the same. Use a ruler to draw a line connecting the animals.

Answer:

The thin border has animals that look like each other but are not exactly the same.

Eureka Math Kindergarten Module 1 Lesson 1 Exit Ticket Answer Key

Tell a partner why these are exactly the same or not exactly the same.

Answer:

Eureka Math Kindergarten Module 1 Lesson 1 Homework Answer Key

Color the things that are the same. Color them so that they look like each other.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 38 Answer Key

Eureka Math Grade 1 Module 1 Lesson 38 Problem Set Answer Key

Answer:

On your addition chart, shade a square orange. Write the related subtraction fact in a space below with its number bond. Color all the totals orange.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Eureka Math Grade 1 Module 1 Lesson 38 Exit Ticket Answer Key

Write the related number sentences for the number bonds.

Question 1.

Answer:

Question 2.

Answer:

Eureka Math Grade 1 Module 1 Lesson 38 Homework Answer Key

Find and solve the 7 unshaded addition problems that are doubles and 5-groups.
Make subtraction flashcards for the related subtraction facts. (Remember, doubles will only make 1 related subtraction fact instead of 2 related facts.)
Make a number bond card and use your cards to play Memory.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 35 Answer Key

Eureka Math Grade 1 Module 1 Lesson 35 Sprint Answer Key

A
Write the missing number for each subtraction sentence. Pay attention to the = sign.

Question 1.
2 – 2 = ☐
Answer: 0
Explination
2-2=0

Question 2.
1 – 1 = ☐
Answer: 0
Explination:
1-1=0

Question 3.
1 – 0 = ☐
Answer:1
Explination:
1-0=1

Question 4.
3 – 3 = ☐
Answer:0
Explination:
3-3=0

Question 5.
3 – 2 = ☐
Answer:1
Explination:
3-2=1

Question 6.
4 – 4 = ☐
Answer:0
Explination:
4-4=0

Question 7.
4 – 3 = ☐
Answer:1
Explination:
4-3=1

Question 8.
6 – 6 = ☐
Answer:0
Explination:
6-6=0

Question 9.
7 – 7 = ☐
Answer:0
Explination:
7-7=0

Question 10.
8 – 8 = ☐
Answer:0
Explination:
8-8=0

Question 11.
8 – 7 = ☐
Answer:1
Explination:
8-7=1

Question 12.
9 – 9 = ☐
Answer:9
Explination:
9-9=0

Question 13.
9 – 8 = ☐
Answer:1
Explination:
9-8=1

Question 14.
10 – 10 = ☐
Answer:0
Explination:
10-10=0

Question 15.
10 – 9 = ☐
Answer:1
Explination:
10-9=1

Question 16.
0 = 10 – ☐
Answer:10
Explination:
0=10-10

Question 17.
0 = 9 – ☐
Answer:9
Explination:
0=9-9

Question 18.
0 = 8 – ☐
Answer:8
Explination:
0=8-8

Question 19.
0 = 6 – ☐
Answer:6
Explination:
0=6-6

Question 20.
1 = 6 – ☐
Answer:7
Explination:
1=6-7

Question 21.
1 = 7 – ☐
Answer:8
Explination:
1=7-8

Question 22.
1 = 10 – ☐
Answer:9
Explination:
1=10-9

Question 23.
10 – ☐ = 1
Answer:9
Explination:
10-9=1

Question 24.
☐ – 9 = 1
Answer:8
Explination:
8-9=1

Question 25.
7 – ☐ = 0
Answer:7
Explination:
7-7=0

Question 26.
0 = 7 – ☐
Answer:7
Explination:
0=7-7

Question 27.
0 = 9 – ☐
Answer:9
Explination:
0=9-9

Question 28.
☐ – 8 = 0
Answer:8
Explination:
8-8=0

Question 29.
☐ – 7 = 1
Answer: 8
Explination:
8-7=1

Question 30.
1 = ☐ – 5
Answer: 4
Explination:
1=4-5

B
Write the missing number for each subtraction sentence. Pay attention to the = sign.

Question 1.
3 – 3 = ☐
Answer:
Explination:
3-3=0

Question 2.
2 – 2 = ☐
Answer:
Explination:
2-2=0

Question 3.
1 – 1 = ☐
Answer:0
Explination:
1-1=0

Question 4.
1 – 0 = ☐
Answer:1
Explination:
1-0=1

Question 5.
2 – 1 = ☐
Answer:1
Explination:
2-1=1

Question 6.
4 – 3 = ☐
Answer:1
Explination:
4-3=1

Question 7.
5 – 4 = ☐
Answer:1
Explination:
5-4=1

Question 8.
7 – 7 = ☐
Answer:0
Explination:
7-7=0

Question 9.
8 – 8 = ☐
Answer:0
Explination:
8-8=0

Question 10.
9 – 9 = ☐
Answer:0
Explination:
9-9=0

Question 11.
10 – 10 = ☐
Answer:0
Explination:
10-10=0

Question 12.
10 – 9 = ☐
Answer:1
Explination:
10-9=1

Question 13.
8 – 7 = ☐
Answer:1
Explination:
8-7=1

Question 14.
6 – 5 = ☐
Answer:1
Explination:
6-5=1

Question 15.
6 – 6 = ☐
Answer:0
Explination:
6-6=0

Question 16.
0 = 6 – ☐
Answer:6
Explination:
0=6-6

Question 17.
0 = 7 – ☐
Answer:7
Explination:
0=7-7

Question 18.
0 = 8 – ☐
Answer:8
Explination:
0=8-8

Question 19.
0 = 10 – ☐
Answer: 10
Explination:
0=10 -10

Question 20.
1 = 10 – ☐
Answer: 9
Explination:
1=10-9

Question 21.
1 = 9 – ☐
Answer:10
Explination:
=9-10

Question 22.
1 = 7 – ☐
Answer:8
Explination:
1=7-8

Question 23.
7 – ☐ = 1
Answer:8
Explination:
7-8=1

Question 24.
☐ – 6 = 1
Answer:5
Explination:
5-6=1

Question 25.
6 – ☐ = 0
Answer:6
Explination:
6-6=0

Question 26.
0 = 6 – ☐
Answer:6
Explination:
0=6-6

Question 27.
0 = 8 – ☐
Answer:8
Explination:
0=8-8

Question 28.
☐ – 8 = 0
Answer:8
Explination:
8-8=0

Question 29.
☐ – 6 = 1
Answer: 5
Explination:
5 – 6 = 1

Question 30.
1 = ☐ – 6
Answer: 5
Explination:
1 = 5 – 6

Eureka Math Grade 1 Module 1 Lesson 35 Problem Set Answer Key

Solve the sets of number sentences. Look for easy groups to cross off.

Question 1.

6 – 5 = ___
6 – 1 = ___
Answer: 6 – 5 = 1
6 – 1 = 5

Question 2.

8 – 3 = ___
8 – 5 = ___
Answer: 8 – 3 = 5
8 – 5 = 3

Question 3.

9 – 4 = ___
9 – 5 = __
Answer: 9 – 4  = 5
9 – 5 = 4

Subtract. Make a math drawing for each problem like the ones above. Write a number bond.

Question 4.

7 – 5 = __
7 – 2 = __
Answer:7-5=2
7-2=5

Question 5.

10 – 5 = __
Answer: 10 – 5 = 5

Question 6.
Solve. Visualize your 5-groups to help you.
a. 7 – 5 = ___

b. 7 – ___ = 5

c. 8 – 3 = ___

d. 9 – ___ = 4

e. 9 – ___ = 5

f. 8 – ___ = 3
Answer:

a. 7 – 5 =  2

b. 7 – 2 = 5

c. 8 – 3 = 5

d. 9 – 5 = 4

e. 9 – 4 = 5

f. 8 – 5 = 3

Complete the number bond and number sentence for each problem.

Question 7.
4 – 2 = ___

Answer: 4 – 2 = 2

Question 8.
6 – 3 = ____

Answer: 6 – 3 = 3

Question 9.
10 – 5 = ___

Answer:10-5

Question 10.
8 – 4 = ____

Answer:8-4=4

Question 11.
8 – 4 = ___

Answer:8-4=4

Question 12.
6 – 3 = ____

answer:6-3=3

Question 13.
Complete the number sentences below. Circle the strategy that can help.

Answer:

Eureka Math Grade 1 Module 1 Lesson 35 Exit Ticket Answer Key

Solve the number sentences. Make a number bond.
Draw a picture or write a statement about the strategy that helped you.

Question 1.
____ – 5 = 5
Answer: 10  – 5 =5

Question 2.
8 – ____ = 4
Answer: 8 – 4 = 4

Question 3.
9 – ___ = 4
Answer: 9 – 5 = 4

Eureka Math Grade 1 Module 1 Lesson 35 Homework Answer Key

Solve the sets of number sentences. Look for easy groups to cross off.

Question 1.

7 – 5 = ____
7 – 2 = ____
Answer: 7-5=2
7-2=5

Question 2.

6 – 5 = __
6 – 1 = __
Answer: 6-5=1
6-1=5

Question 3.

9 – __ = 4
9 – __ = 5
Answer: 9-5=4
9-4=5

Subtract. Make a math drawing for each problem like the ones above. Write a number bond.

Question 4.

10 – 5 = __
Answer: 10-5=5

Question 5.

8 – 5 = ____
8 – ___ = 5
Answer: 8-5=3
8-3=5

Question 6.
Solve. Visualize 5-groups to help you.
a. 9 – ___ = 4

b. ___ – 5 = 5

c. 8 – ___ = 5

d. ___ – 5 = 2

e. ___ – 5 = 3

f. ___ – 4 = 5
Answer:

a. 9 – 5 = 4

b. 0 – 5 = 5

c. 8 – 3 = 5

d.  3 – 5 = 2

e. 2 – 5 = 3

f. 9 – 4 = 5

Complete the number sentence and number bond for each problem.

Question 7.

6 – 3 = _
Answer: 6 – 3 = 3

Question 8.

__ – 5 = 5
Answer: 10 – 5 = 5

Question 9.

8 – __ = 4
Answer: 8 – 4 = 4

Question 10.
Match the number sentence to the strategy that helps you solve.

Answer:

Engage NY Eureka Math 1st Grade Module 1 End of Module Assessment Answer Key

Eureka Math Grade 1 Module 1 End of Module Assessment Task Answer Key

Question 1.
There are 9 ducks swimming along in a line. There are 2 grown-up ducks, and the rest are babies. How many of the ducks are babies?
a. Explain your thinking using pictures, numbers, or words.

b. Write a number sentence that shows how you solved the problem.
_____________________________
Answer: 7 ducks are babies
a.
b. 9 – 2 = 7

Question 2.
Jennifer says you can use addition to solve subtraction.
She says to solve 9 – 6 = , just add 9 + 6.
Explain how Jennifer is right and wrong using words, pictures, and numbers.
Answer: Wrong,Jennifer is wrong
Explination:
6 +       = 9
9 – 6 = 3
but 9 + 6 =15 not 3

Question 3.
Jeremy is confused about this problem: = 10 – 8. Be his teacher. Write two addition number sentences that might help him understand and solve it. Explain to Jeremy using words, pictures, or numbers, too.
Answer: 2
10 – 8 =         
Is same as
8 +        = 10

Question 4.
At the park, there are 6 friends playing baseball. Some more friends come. Now, there are 10 friends playing.
a. How many friends come to play with the first 6 friends? Explain your thinking using a math drawing, numbers, and words.

b. Write an addition sentence and a subtraction sentence to match the story.
___________________________ _____________________________

c. Write the addition sentence you found when solving the problem, and use the same 3 numbers to write 3 more number sentences:
___________________________ _____________________________
___________________________ _____________________________
Answer: 4 friends
a. 10 – 6 = 4

b.  Addition sentence =6 + 4 = 10
Subtraction sentence =10 – 6 = 4
c. 6 + 4 = 10
10 = 6 + 4
4 + 6 = 10
10 = 4 + 6

Engage NY Eureka Math 1st Grade Module 1 Lesson 36 Answer Key

Eureka Math Grade 1 Module 1 Lesson 36 Problem Set Answer Key

Solve the sets. Cross off on the 5-groups.
Use the first number sentence to help you solve the next.

Question 1.

10 – 9 = ___
10 – 1 = ___
Answer: 10 – 9 = 1
10 – 1 = 9

Question 2.

10 – 6 = ___
10 – 4 = ___
Answer: 10 – 6 = 4
10 – 4 = 6

Question 3.

10 – 3 = ___
10 – 7 = ___
Answer: 10 – 3 = 7
10 – 7 = 3

Make a math drawing and solve.

Question 4.

10 – 4 = __
10 – 6 = __
Answer:
10 – 4 = 6
10 – 6 = 4

Question 5.

10 – 5 = __
Answer:
10 – 5 = 5

Question 6.

10 – 8 = __
10 – 2 = __
Answer: 10- 8 = 2
10 – 2 = 8

Subtract. Then, write the related subtraction sentence.
Make a math drawing if needed, and complete a number bond for each.

Question 7.

10 – 8 = __
________
Answer: 10 – 8 = 2
10 – 2 = 8

Question 8.

10 – 9 = __
________
Answer: 10 – 9 = 1
10 – 1 = 9

Question 9.

10 – 3 = __
________
Answer:10 – 3 = 7
10 – 7 = 3

Question 10.

10 – 6 = __
Answer: 10 – 6 = 4
10 – 4 = 6

Question 11.
Fill in the missing part. Write the 2 matching subtraction sentences.
a.
Answer:

b.
Answer:

c.
Answer:

d.
Answer:

e.
Answer:

Eureka Math Grade 1 Module 1 Lesson 36 Exit Ticket Answer Key

Fill in the missing part. Draw a math picture if needed. Write the 2 matching subtraction sentences.

Question 1.

_________________

_________________
Answer: 10- 7 = 3
10 – 3 = 7

Question 2.

_________________
_______________
Answer: 10 – 2 = 8
10 – 8 = 2

Question 3.

_______________
_______________
Answer: 10 – 4 = 6
10 – 6 = 4

Eureka Math Grade 1 Module 1 Lesson 36 Homework Answer Key

Make a math drawing, and solve. Use the first number sentence to help you write a related number sentence that matches your picture.

Question 1.

10 – 2 = ____
__ – __ = ___

Answer: 10 – 2 = 8
10 – 8 = 2

Question 2.
10 – 1 = __
__ – __ = __

Answer: 10 – 1 = 9
10 – 9 = 1

Question 3.
10 – 7 = __
__ – __ = __
Answer: 10 – 7 = 3
10 – 3 = 7

Subtract. Then, write the related subtraction sentence. Make a math drawing if needed, and complete a number bond for each.

Question 4.

10 – 2 = __
______
Answer: 10 – 2 =8
10 – 8 = 2

Question 5.

10 – __ = 9
_____
Answer: 10 – 1 = 9
10 – 9 = 1

Question 6.

10 – __ = 6
_________
Answer:10 – 4 = 6
10 – 6  = 4

Question 7.

10 – ___ = 1
______
Answer:10 – 9 = 1
10 – 1 = 9

Question 8.

___ = 10 – 5
____________
Answer: 10 – 5 = 5
10 -5 = 5

Question 9.
Complete the number bond. Match the number bond to the related subtraction sentence. Write the other related subtraction number sentence.
a.

b.

c.

d.

e.
Answer:
a.
b.
c.
d.

e. 

Engage NY Eureka Math 1st Grade Module 1 Lesson 39 Answer Key

Eureka Math Grade 1 Module 1 Lesson 39 Sprint Answer Key

A
*Write the missing number for each sentence

Question 1.
8 and 2 make ☐
Answer:10
Explination:
8+2=10

Question 2.
9 and 1 make ☐
Answer:10
Explination:
9+1=10

Question 3.
7 and 3 make ☐
Answer:10
Explination:
7+3=10

Question 4.
6 and ☐ make 10
Answer:4
Explination:
6+4=10

Question 5.
4 and ☐ make 10
Answer:6
Explination:
4+6=10

Question 6.
5 and ☐ make 10
Answer:5
Explination:
5+10

Question 7.
☐ and 5 make 10
Answer:5
Explination:
5+5=10

Question 8.
13 is 10 and ☐
Answer:3
Explination:
10+3=13

Question 9.
14 is 10 and ☐
Answer:4
Explination:
10+4=14

Question 10.
16 is 10 and ☐
Answer:6
Explination:
10+6=16

Question 11.
17 is 10 and ☐
Answer:7
Explination:
10+7=17

Question 12.
19 is 10 and ☐
Answer:9
Explination:
10+9=19

Question 13.
18 is 10 and ☐
Answer:8
Explination:
10+8=18

Question 14.
12 is 10 and ☐
Answer:2
Explination:
10+2=12

Question 15.
13 is 10 and ☐
Answer:3
Explination:
10+3=13

Question 16.
11 is 10 and ☐
Answer:1
Explination:
10+1=11

Question 17.
11 is 1 and ☐
Answer:10
Explination:
1+10=11

Question 18.
12 is 2 and ☐
Answer:10
Explination:
2+10=12

Question 19.
11 is ☐ and 1
Answer:10
Explination:
10+1=11

Question 20.
14 is 10 and ☐
Answer:4
Explination:
10+4=14

Question 21.
15 is 5 and ☐
Answer:10
Explination:
5+10=15

Question 22.
18 is 8 and ☐
Answer:10
Explination:
10+8=18

Question 23.
20 is 10 and ☐
Answer:10
Explination:
10+10=20

Question 24.
2 more than 10 is ☐
Answer:12
Explination:
10+2=12

Question 25.
10 more than 2 is ☐
Answer:12
Explination:
10+2=12

Question 26.
10 is ☐ less than 12
Answer:2
Explination:
12-10=2

Question 27.
10 is ☐ less than 12
Answer:2
Explination:
12-10=2

Question 28.
8 less than 18 is ☐
Answer:10
Explination:
18-8=10

Question 29.
6 less than 16 is ☐
Answer:10
Explination:
16-6=10

Question 30.
10 less than 20 is ☐
Answer:10
Explination:
20-10=10

B
*Write the missing number for each sentence.

Question 1.
9 and 1 make ☐
Answer:10
Explination:
9+1=10

Question 2.
8 and 2 make ☐
Answer:10
Explination:
8+2=10

Question 3.
6 and 4 make ☐
Answer:10
Explination:
6+4=10
Question 4.
7 and ☐ make 10
Answer:3
Explination:
7+3=10

Question 5.
3 and ☐ make 10
Answer:7
Explination:
3+7=10

Question 6.
4 and ☐ make 10
Answer:6
Explination:
4+6=10

Question 7.
☐ and 5 make 10
Answer:5
Explination:
5+5=10

Question 8.
14 is 10 and ☐
Answer:4
Explination:
10+4=14

Question 9.
13 is 10 and ☐
Answer:3
Explination:
10+3=13

Question 10.
17 is 10 and ☐
Answer:7
Explination:
10+7=17

Question 11.
16 is 10 and ☐
Answer:6
Explination:
10+6=16

Question 12.
15 is 10 and ☐
Answer:5
Explination:
10+5=15

Question 13.
19 is 10 and ☐
Answer:9
Explination:
10+9=19

Question 14.
11 is 10 and ☐
Answer:1
Explination:
10+1=11

Question 15.
12 is 10 and ☐
Answer:
Explination:
10+2=12

Question 16.
13 is 10 and ☐
Answer:13
Explination:
10+3=13

Question 17.
13 is 3 and ☐
Answer:10
Explination:
3+10=13

Question 18.
11 is 1 and ☐
Answer:10
Explination:
1+10=11

Question 19.
11 is ☐ and 1
Answer:10
Explination:
10+1=11

Question 20.
15 is ☐ and 10
Answer:5
Explination:
10+5=15

Question 21.
14 is 4 and ☐
Answer:10
Explination:
10+4=14

Question 22.
19 is 9 and ☐
Answer:10
Explination:
9+10=19

Question 23.
20 is 10 and ☐
Answer:10
Explination:
10+10=20

Question 24.
1 more than 10 is ☐
Answer:11
Explination:
1+10=11

Question 25.
10 more than 1 is ☐
Answer:11
Explination:
10-1=11

Question 26.
10 is ☐ less than 11
Answer:1
Explination:
11-10=1

Question 27.
10 is ☐ less than 14
Answer:4
Explination:
14-10=4

Question 28.
7 less than 18 is ☐
Answer:11
Explination:
18-7=11

Question 29.
7 less than 16 is ☐
Answer:9
Explination:
16-7=9

Question 30.
10 less than 20 is ☐
Answer:10
Explination:
20-10=10

Eureka Math Grade 1 Module 1 Lesson 39 Problem Set Answer Key

Study the addition chart to solve and write related problems.

Answer:

Choose an expression card, and write 4 problems that use the same parts and totals. Shade the totals orange.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Eureka Math Grade 1 Module 1 Lesson 39 Exit Ticket Answer Key

Write the related number sentences for the number bonds.

Question 1.

Answer:

Question 2.

Answer:

Eureka Math Grade 1 Module 1 Lesson 39 Homework Answer Key

Solve the unshaded addition problems below.

Answer:

Pick an addition fact from the chart. Use the grid to write the two subtraction facts that would have the same number bond. Repeat in order to make a set of subtraction flash cards. To help you practice your addition and subtraction facts even more, make your own number bond flash cards with the templates on the last page.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Mid Module Assessment Answer Key

Eureka Math Grade 1 Module 1 Mid Module Assessment Task Answer Key

Question 1.
There were 5 boys at Jake’s party. Some more came after basketball practice. Then, there were 9. How many boys came to Jake’s party after basketball practice?
a. Draw a picture to help you solve the problem.

b. Draw a complete number bond that goes with this story.

c. Write an addition sentence to match this story.
______________________________________
Answer:
a.
b.
c. 5+ 4 = 9

Question 2.
Write the numbers that go in the blanks.
a. Color all of the partners to 10 blue.
b. Color all of the +1 facts yellow.
c. Color all of the +2 facts red.

Answer:

Question 3.
Look at the party picture!

a. Write at least two different addition sentences using 3, 6, and 9 that describe the party picture.
___________________________ ___________________________
Answer: 6 + 3 = 9
9 = 6 + 3

b. How are these number sentences the same? Explain using pictures and numbers.
Answer: 6 +        = 9
9 – 6 = 3
which is the same for
9 = 6 + 3

Question 4.
Monica says that when the unknown is 4, it makes this number sentence true:
5 + 3 = ___ + 4. Terry says she is wrong. He says 8 makes the number sentence true.
a. Who is correct? Explain your thinking using pictures, words, or numbers.
Answer:  Ther are right because both are right

b. Monica says that 3 and 5 is equal to 5 and 3. Terry says she is wrong again. Explain who is correct, using pictures, numbers, or words.
Answer: Monica is correct
3 + 5 = 5 + 3

c. Next, Monica tells Terry 8 = 8. Terry says she is wrong one more time. Explain who is correct, using pictures, numbers, or words.
Answer: Monica is correct

d. Terry decided to give 8 carrot sticks to his friend Monica. Monica put 5 carrot sticks on her plate and some more in her lunch box. How many carrot sticks did Monica put in her lunch box?
Answer: 3  carrot sticks
Explination:
5 + 3 = 8
8 – 5 = 3

Engage NY Eureka Math 1st Grade Module 1 Lesson 37 Answer Key

Eureka Math Grade 1 Module 1 Lesson 37 Sprint Answer Key

A
*Write the missing number for each number sentence. Pay attention to the + and – signs.

Question 1.
9 + 1 = ☐
Answer:10
Explination:
9+1=10

Question 2.
1 + 9 = ☐
Answer:10
Explination:
1+9=10

Question 3.
10 – 1 = ☐
Answer:9
Explination:
10-1=9

Question 4.
10 – 9 = ☐
Answer:1
Explination:
10+9=1

Question 5.
10 + 0 = ☐
Answer:10
Explination:
10+0=10

Question 6.
0 + 10 = ☐
Answer:10
Explination:
0+10=10

Question 7.
10 – 0 = ☐
Answer:10
Explination:
10-0=10

Question 8.
10 – 10 = ☐
Answer:0
Explination:
10-10=0

Question 9.
8 + 2 = ☐
Answer:10
Explination:
8+2=10

Question 10.
2 + 8 = ☐
Answer:10
Explination:
2+8=10

Question 11.
10 – 2 = ☐
Answer:8
Explination:
10-2=8

Question 12.
10 – 8 = ☐
Answer:2
Explination:
10-8=2

Question 13.
7 + 3 = ☐
Answer:10
Explination:
7+3=10

Question 14.
3 + 7 = ☐
Answer:
Explination:
3+7=10

Question 15.
10 – 3 = ☐
Answer:7
Explination:
10-3=7

Question 16.
10 – 7 = ☐
Answer:3
Explination:
10-7=3

Question 17.
10 = 7 + ☐
Answer:3
Explination:
10=7+3

Question 18.
10 = 3 + ☐
Answer:7
Explination:
10=3+7

Question 19.
10 = 6 + ☐
Answer:4
Explination:
10=6+4

Question 20.
10 = 4 + ☐
Answer:6
Explination:
10=4+6

Question 21.
10 = 5 + ☐
Answer:5
Explination:
10=5+5

Question 22.
10 – ☐ = 5
Answer:5
Explination:
10-5=5

Question 23.
5 = 10 – ☐
Answer:5
Explination:
5=10-5

Question 24.
6 = 10 – ☐
Answer:4
Explination:
6=10-4

Question 25.
7 = 10 – ☐
Answer:3
Explination:
7=10-3

Question 26.
7 = ☐ – 3
Answer:10
Explination:
7=10-3

Question 27.
4 = 10 – ☐
Answer:6
Explination:
4=10-6

Question 28.
5 = ☐ – 5
Answer:5
Explination:
5=10-5

Question 29.
6 = 10 – ☐
Answer:
Explination:
6=10-4

Question 30.
7 = ☐ – 3
Answer:10
Explination:
7=10-3

B
*Write the missing number for each number sentence. Pay attention to the + and – signs.

Question 1.
8 + 2 = ☐
Answer:10
Explination:
8+2=10

Question 2.
2 + 8 = ☐
Answer:10
Explination:
2+8=10

Question 3.
10 – 2 = ☐
Answer:8
Explination:
10-2=8

Question 4.
10 – 8 = ☐
Answer:2
Explination:
10-8=2

Question 5.
9 + 1 = ☐
Answer:10
Explination:
9+1=10

Question 6.
1 + 9 = ☐
Answer:10
Explination:
1+9=10

Question 7.
10 – 1 = ☐
Answer:9
Explination:
10-1=9

Question 8.
10 – 9 = ☐
Answer:9
Explination:
10-9=1

Question 9.
10 + 0 = ☐
Answer:10
Explination:
10+0=10

Question 10.
0 + 10 = ☐
Answer:10
Explination:
0+10=10

Question 11.
10 – 0 = ☐

Answer:10
Explination:
10+0=10

Question 12.
10 – 10 = ☐
Answer:0
Explination:
10+10=0

Question 13.
6 + 4 = ☐
Answer:10
Explination:
6+4=10

Question 14.
4 + 6 = ☐
Answer:10
Explination:
4+6=10

Question 15.
10 – 4 = ☐
Answer:6
Explination:
10-4=6

Question 16.
10 – 6 = ☐
Answer:4
Explination:
10-6=4

Question 17.
10 = 8 + ☐
Answer:2
Explination:
10=8+2

Question 18.
10 = 7 + ☐
Answer:3
Explination:
10=7+3

Question 19.
10 = 3 + ☐
Answer:7
Explination:
10=3+7

Question 20.
10 = 4 + ☐
Answer:6
Explination:
10=4+6

Question 21.
10 = 5 + ☐
Answer:5
Explination:
10=5+5

Question 22.
10 – ☐ = 5
Answer:5
Explination:
10-5=5

Question 23.
6 = 10 – ☐
Answer:4
Explination:
6=10-4

Question 24.
7 = 10 – ☐
Answer:3
Explination:
7=10-3

Question 25.
8 = 10 – ☐
Answer:2
Explination:
8=10-2

Question 26.
7 = ☐ – 3
Answer:10
Explination:
7=10-3

Question 27.
2 = 10 – ☐
Answer:8
Explination:
2=10-8

Question 28.
4 = ☐ – 6
Answer:2
Explination:
4=2-6

Question 29.
3 = 10 – ☐
Answer:7
Explination:
3=10-7

Question 30.
7 = ☐ – 3
Answer:10
Explination:
7=10-3

Eureka Math Grade 1 Module 1 Lesson 37 Problem Set Answer Key

Solve the sets. Cross off on the 5-groups. Write the related subtraction sentence that would have the same number bond.

Question 1.

9 – 8 = __
9 – 1 = ___
Answer: 9- 8 = 1
9-1=8

Question 2.

9 – 7 = __
________
Answer:9-7=2
9-2=7

Question 3.

9 – 9 = __
_____
Answer:9-9=0
9-0=9

Make a 5-group drawing. Solve, and write a related subtraction sentence that would have the same number bond. Cross off to show.

Question 4.

9 – 6 = ___

___________
Answer:9-6=3
9-3=6

Question 5.

9 – 4 = __
___________
Answer: 9-4=5
9-4=5

Question 6.

9 – 3 = __
___________
Answer:9-3=6
9-6=3

Subtract. Then, write the related subtraction sentence.
Make a math drawing if needed, and complete a number bond.

Question 7.

9 – 5 = ___
______________
Answer:9-5=4
9-4=5

Question 8.

9 – 8 = ___
______________
Answer:9-8=1
9-1=8

Question 9.

9 – 7 = ___
________
Answer:9-7=2
9-2=7

Question 10.

9 – 3 = ___
______________
Answer:9-3=6
9-6=3

Question 11.
Fill in the missing part. Write the 2 matching subtraction sentences.
a.
Answer:

b.
Answer:

c.
Answer:

d.
Answer:

e.
Answer:

Eureka Math Grade 1 Module 1 Lesson 37 Exit Ticket Answer Key

Fill in the missing part. Draw a math picture if needed. Write the 2 matching subtraction sentences.

Question 1.

_________________
_________________
Answer: 9-3=6
9-3

Question 2.

_________________
_______________
Answer:9-7=2
9-7

Question 3.

_________________
_______________
Answer:9-4=5
9-5=4

Eureka Math Grade 1 Module 1 Lesson 37 Homework Answer Key

Make 5-group drawings and solve. Use the first number sentence to help you write a related number sentence that matches your picture.

Question 1.

9 – 2 = ____
__ – __ = __
Answer: 9 – 2 = 7
9 – 7 = 2

Question 2.

9 – 8 = __
__ – __ = __
Answer: 9 – 8 = 1
9 – 1 = 8

Question 3.

9 – 4 = __
__ – __ = __
Answer: 9 – 4 = 5
9 – 5 = 4

Subtract. Then, write the related subtraction sentence. Make a math drawing if needed, and complete a number bond for each.

Question 4.

9 – 7 = ___
_________
Answer: 9 – 7 = 2
9 – 2 = 7

Question 5.

9 – 2 = __
___
Answer: 9-2=7
9-7=2

Question 6.

9 – __ = 6
___;
Answer: 9-3=6
9-6=3

Question 7.

9 – __ = 1
____
Anwer:9-8=1
9-1=8

Question 8.

__ = 9 – 5
_____
Answer:4=9+5
9=5+4

Question 9.
Use 5-group drawings to help you complete the number bond. Match the number bond to the related subtraction sentence. Write the other related subtraction number sentence.
a.
Answer:

b.
Answer:

c.
Answer:

d.
Answer:

e.
Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 33 Answer Key

Eureka Math Grade 1 Module 1 Lesson 33 Sprint Answer Key

A

Addition

Question 1.
3 + 1 =
Answer: 4
Explination:
3 + 1 = 4

Question 2.
4 + 1 =
Answer: 5
Explination:
4 + 1 = 5

Question 3.
5 + 1 =
Answer: 6
Explination:
5 + 1 = 6

Question 4.
9 + 1 =
Answer: 7
Explination:
9 + 1 = 7

Question 5.
6 + 1 =
Answer: 8
Explination:
6 + 1 = 8

Question 6.
8 + 1 =
Answer: 9
Explination:
8 + 1 = 9

Question 7.
2 + 1 =
Answer: 3
Explination:
2 + 1 =3

Question 8.
7 + 1 =
Answer: 8
Explination:
7 + 1 = 8

Question 9.
1 + 7 =
Answer: 8
Explination:
1 + 7 = 8

Question 10.
1 + 9 =
Answer: 10
Explination:
1 + 9 = 10

Question 11.
1 + 6 =
Answer: 7
Explination:
1 + 6 = 7

Question 12.
2 + 2 =
Answer: 4
Explination:
2 + 2 = 4

Question 13.
3 + 2 =
Answer: 5
Explination:
3 + 2 = 5

Question 14.
4 + 2 =
Answer: 6
Explination:
4 + 2 = 6

Question 15.
8 + 2 =
Answer: 10
Explination:
8 + 2 = 10

Question 16.
5 + 2 =
Answer: 7
Explination:
5 + 2 = 7

Question 17.
6 + 2 =
Answer: 8
Explination:
6 + 2 = 8

Question 18.
7 + 2 =
Answer: 9
Explination:
7 + 2 = 9

Question 19.
2 + 7 =
Answer: 9
Explination:
2 + 7 = 9

Question 20.
2 + 8 =
Answer: 10
Explination:
2 + 8 = 10

Question 21.
2 + 5 =
Answer: 7
Explination:
2 + 5 = 7

Question 22.
2 + 6 =
Answer: 8
Explination:
2 + 6 = 8

Question 23.
1 + 2 =
Answer: 3
Explination:
1 + 2 = 3

Question 24.
3 + 6 =
Answer: 9
Explination:
3 + 6 = 9

Question 25.
1 + 8 =
Answer: 9
Explination:
1 + 8 = 9

Question 26.
2 + 3 =
Answer: 5
Explination:
2 + 3 = 5

Question 27.
1 + 4 =
Answer: 5
Explination:
1 + 4 = 5

Question 28.
2 + 4 =
Answer: 6
Explination:
2 + 4 = 6

Question 29.
1 + 3 =
Answer: 4
Explination:
1 + 3 = 4

Question 30.
1 + 5 =
Answer: 6
Explination:
1 + 5 = 6

Question 31.
3 + 3 =
Answer: 6
Explination:
3 + 3 = 6

Question 32.
4 + 3 =
Answer: 7
Explination:
4 + 3 = 7

Question 33.
5 + 3 =
Answer: 8
Explination:
5 + 3 = 8

Question 34.
6 + 3 =
Answer: 9
Explination:
6 + 3 = 9

Question 35.
7 + 3 =
Answer: 10
Explination:
7 + 3 =10

Question 36.
3 + 7 =
Answer: 10
Explination:
3 + 7 = 10

Question 37.
3 + 4 =
Answer: 7
Explination:
3 + 4 = 7

Question 38.
3 + 5 =
Answer: 8
Explination:
3 + 5 = 8

Question 39.
4 + 4 =
Answer: 8
Explination:
4 + 4 = 8

Question 40.
5 + 4 =
Answer: 9
Explination:
5 + 4 = 9

Question 41.
6 + 4 =
Answer: 10
Explination:
6 + 4 = 10

Question 42.
4 + 6 =
Answer: 10
Explination:
4 + 6 = 10

Question 43.
4 + 5 =
Answer: 9
Explination:
4 + 5 = 9

Question 44.
5 + 5 =
Answer: 10
Explination:
5 + 5 = 10

B
Addition

Question 1.
2 + 1 =
Answer: 3
Explination:
2 + 1 = 3

Question 2.
3 + 1 =
Answer: 4
Explination:
3 + 1 = 4

Question 3.
4 + 1 =
Answer: 5
Explination:
4 + 1 = 5

Question 4.
8 + 1 =
Answer: 9
Explination:
8 + 1 = 9

Question 5.
5 + 1 =
Answer: 6
Explination:
5 + 1 = 6

Question 6.
7 + 1 =
Answer: 8
Explination:
7 + 1 = 8

Question 7.
9 + 1 =
Answer: 10
Explination:
9 + 1 = 10

Question 8.
6 + 1 =
Answer: 7
Explination:
6 + 1 = 7

Question 9.
1 + 6 =
Answer: 7
Explination:
1 + 6 = 7

Question 10.
1 + 9 =
Answer: 10
Explination:
1 + 9 = 10

Question 11.
1 + 7 =
Answer: 8
Explination:
1 + 7 = 8

Question 12.
2 + 2 =
Answer: 4
Explination:
2 + 2 = 4

Question 13.
3 + 2 =
Answer: 5
Explination:
3 + 2 = 5

Question 14.
4 + 2 =
Answer: 6
Explination:
4 + 2 = 6

Question 15.
7 + 2 =
Answer: 9
Explination:
7 + 2 = 9

Question 16.
5 + 2 =
Answer: 7
Explination:
5 + 2 = 7

Question 17.
8 + 2 =
Answer:10
Explination:
8 + 2 = 10

Question 18.
6 + 2 =
Answer: 8
Explination:
6 + 2 = 8

Question 19.
2 + 6 =
Answer: 8
Explination:
2 + 6 = 8

Question 20.
2 + 8 =
Answer: 10
Explination:
2 + 8 = 10

Question 21.
2 + 5 =
Answer: 7
Explination:
2 + 5 = 7

Question 22.
2 + 7 =
Answer: 9
Explination:
2 + 7 = 9

Question 23.
1 + 8 =
Answer: 9
Explination:
1 + 8 = 9
Question 24.
3 + 7 =
Answer: 10
Explination:
3 + 7 = 10

Question 25.
1 + 5 =
Answer: 6
Explination:
1 + 5 = 6

Question 26.
2 + 4 =
Answer: 6
Explination:
2 + 4 = 6

Question 27.
1 + 4 =
Answer: 5
Explination:
1 + 4 = 5

Question 28.
2 + 3 =
Answer: 5
Explination:
2 + 3 = 5

Question 29.
1 + 3 =
Answer: 4
Explination:
1 + 3 = 4

Question 30.
1 + 2 =
Answer: 3
Explination:
1 + 2 = 3

Question 31.
3 + 3 =
Answer: 6
Explination:
3 + 3 = 6

Question 32.
4 + 3 =
Answer: 7
Explination:
4 + 3 = 7

Question 33.
5 + 3 =
Answer: 8
Explination:
5 + 3 = 8

Question 34.
7 + 3 =
Answer: 10
Explination:
7 + 3 = 10

Question 35.
6 + 3 =
Answer: 9
Explination:
6 + 3 = 9

Question 36.
3 + 6 =
Answer: 9
Explination:
3 + 6 = 9

Question 37.
3 + 5 =
Answer: 8
Explination:
3 + 5 = 8

Question 38.
3 + 4 =
Answer: 7
Explination:
3 + 4 = 7

Question 39.
4 + 4 =
Answer: 8
Explination:
4 + 4 = 8

Question 40.
5 + 4 =
Answer: 9
Explination:
5 + 4 = 9

Question 41.
6 + 4 =
Answer: 10
Explination:
6 + 4 = 10

Question 42.
4 + 6 =
Answer: 10
Explination:
4 + 6 = 10

Question 43.
4 + 5 =
Answer: 9
Explination:
4 + 5 = 9

Question 44.
5 + 5 =
Answer: 10
Explination:
5 + 5 = 10

Eureka Math Grade 1 Module 1 Lesson 33 Problem Set Answer Key

Cross off, when needed, to subtract.

Question 1.

6 – 1 = ___
Answer:
6 – 1 = 5

Question 2.

6 – 0 = ___
Answer:
6 – 0 =6

If you want, make a 5-group drawing for each problem like the ones above. Show the subtraction.

Question 3.

7 – 1 = __
Answer: 6
Explination:
7 – 1 = 6

Question 4.

7 – 0 = ___
Answer:7
Explination:
7 – 0 = 7

Question 5.

10 – 1 = ___
Answer:9
Explination:
10-1=9

Question 6.

10 – 0 = ___
Answer:10
Explination:
10-0=10

Question 7.

8 – 1 = ___
Answer:7
Explination:
8-1=7

Question 8.

7 – 0 = ______
Answer:7
Explination:
7 – 0 = 7

Question 9.

9 – 1 = ___
Answer: 8
Explination:
9 – 1 = 8

Question 10.

9 – 0 = ___
Answer: 9
Explination:
9 – 0 = 9

Cross off, when needed, to subtract.

Question 11.

6 – 1 = ___
Answer: 6 – 1 = 5

Question 12.

8 – 1 = __
Answer: 8 – 1 = 7

Question 13.

9 – 0 = __
Answer: 9 – 0 = 9

Subtract.

Question 14.
7 – 1 = ___
Answer:6
Explination:
7-1=6

Question 15.
8 – 0 = ___
Answer:8
Explination:
8 – 0=8

Question 16.
9 – 1 = ___
Answer: 8
Explination:
9-1=8

Question 17.
Fill in the missing number. Visualize your 5-groups to help you.
a. 6 – 0 = ___

b. 6 – 1 = ___

c. 7 – ___ = 7

d. 7 – 1 = ___

e. 8 – 0 = ___

f. 8 – ___ = 7

g. 9 – ___ = 9

h. 9 – 1 = ___

i. 10 – ___ = 10

j. 10 – ___ = 9
Answer:

a. 6 – 0 = 6

b. 6 – 1 = 5

c. 7 – 0 = 7

d. 7 – 1 = 6

e. 8 – 0 = 8

f. 8 – 1 = 7

g. 9 – 0 = 9

h. 9 – 1 = 8

i. 10 – 0 = 10

j. 10 – 1 = 9

Eureka Math Grade 1 Module 1 Lesson 33 Exit Ticket Answer Key

Complete the number sentences. If you want, use 5-group drawings to show the subtraction.

Question 1.

9 – 1 = __
Answer: 8
Explination:
9 – 1 = 8

Question 2.
8 = ___ – 0
Answer: 8
Explination:
8 = 8 – 0

Question 3.
8 = __ – 1
Answer: 9
Explination:
8 = 9 – 1

Question 4.
10 = 10 – __
Answer: 0
Explination:
10 = 10 – 0

Eureka Math Grade 1 Module 1 Lesson 33 Homework Answer Key

Show the subtraction. If you want, use a 5-group drawing for each problem.

Question 1.
9 – 1 = ___
Answer: 8
Explination:
9-1=8

Question 2.

9 – 0 = _____
Answer: 9
Explination:
9-0=9

Question 3.
6 – ___ = 6
Answer: 6
Explination:
6-0=6

Question 4.
6 = 7 – ____
Answer: 1
Explination:
6=7-1

Show the subtraction. If you want, use a 5-group drawing like the model for each problem.

Question 5.

9 – ___ = 9
Answer: 0
Explination:
9-0=9

Question 6.

8 = 8 – ____
Answer:0
Explination:
8=8-0

Question 7.

10 – ___ = 9
Answer: 1
Explination:
10-1=9

Question 8.

7 – ___ = 7
Answer: 0
Explination:
7 -0 = 7

Write the subtraction number sentence to match the 5-group drawing.

Question 9.

___ – ___ = ___
Answer:
6 – 1 = 5

Question 10.

__ – ___ = ___
Answer:
7 – 0 = 7

Question 11.

___ – ___ = ___
Answer:
8 – 1 = 8

Question 12.

___ – ___ = ___
Answer:
9 – 0 = 9

Question 13.

___ – ___ = ___
Answer:
8 -1 =7

Question 14.
Fill in the missing number. Visualize your 5-groups to help you.
a. 7 – ___ = 6

b. 0 = 7 – ____

c. 8 – ___ = 7

d. 6 – ___ = 5

e. 8 = 9 – ____

f. 9 = 10 – ____

g. 10 – ___ = 10

h. 9 – ___ = 8
Answer:
a. 7 –1 = 6

b. 0 = 7 – 0

c. 8 –1= 7

d. 6 – 1= 5

e. 8 = 9 – 1

f. 9 = 10 – 1

g. 10 – 0 = 10

h. 9 – 1 = 8