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Engage NY Eureka Math 1st Grade Module 1 Lesson 28 Answer Key

Eureka Math Grade 1 Module 1 Lesson 28 Sprint Answer Key

A
*Write the number that is 1 less.

Question 1.
5
Answer: 4
Explination:
Subtract 1 from 5
5-1=4

Question 2.
4
Answer: 3
Explination:
Subtract 1 from 4
4-1=3

Question 3.
3
Answer: 2
Explination:
Subtract 1 from 3
3-1=2

Question 4.
5
Answer: 4
Explination:
Subtract 1 from 5
5-1=4

Question 5.
3
Answer: 2
Explination:
Subtract 1 from 3
3-1=2

Question 6.
1
Answer: 0
Explination:
Subtract 1 from 1
1-1=0

Question 7.
4
Answer: 3
Explination:
Subtract 1 from 4
4-1=3

Question 8.
5
Answer: 4
Explination:
Subtract 1 from 5
5-1=4

Question 9.
7
Answer: 6
Explination:
Subtract 1 from 7
7-1=6

Question 10.
6
Answer: 5
Explination:
Subtract 1 from 6
6-1=5

Question 11.
7
Answer: 6
Explination:
Subtract 1 from 7
7-1=6

Question 12.
9
Answer: 8
Explination:
Subtract 1 from 9
9-1=8

Question 13.
8
Answer: 7
Explination:
Subtract 1 from 8
8-1=7

Question 14.
9
Answer: 8
Explination:
Subtract 1 from 9
9-1=8

Question 15.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 16.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 17.
8
Answer: 7
Explination:
Subtract 1 from 8
8-1=7

Question 18.
11
Answer: 10
Explination:
Subtract 1 from 11
11-1=10

Question 19.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 20.
9
Answer: 8
Explination:
Subtract 1 from 9
9-1=8

Question 21.
1
Answer: 0
Explination:
Subtract 1 from 1
1-1=0

Question 22.
11
Answer: 10
Explination:
Subtract 1 from 11
11-1=10

Question 23.
21
Answer: 20
Explination:
Subtract 1 from 21
21-1=20

Question 24.
4
Answer: 3
Explination:
Subtract 1 from 4
4-1=3

Question 25.
14
Answer: 13
Explination:
Subtract 1 from 14
14-1=13

Question 26.
24
Answer: 23
Explination:
Subtract 1 from 24
24-1=23

Question 27.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 28.
20
Answer: 19
Explination:
Subtract 1 from 20
20-1=19

Question 29.
21
Answer: 20
Explination:
Subtract 1 from 21
21-1=20

Question 30.
31
Answer: 30
Explination:
Subtract 1 from 31
31-1=30

B
*Write the number that is 1 less.

Question 1.
3
Answer: 2
Explination:
Subtract 1 from 3
3-1=2

Question 2.
2
Answer: 1
Explination:
Subtract 1 from 2
2-1=1

Question 3.
1
Answer: 0
Explination:
Subtract 1 from 1
1-1=0

Question 4.
6
Answer: 5
Explination:
Subtract 1 from 6
6-1=5

Question 5.
4
Answer: 3
Explination:
Subtract 1 from 4
4-1=3

Question 6.
2
Answer: 1
Explination:
Subtract 1 from 2
2-1=1

Question 7.
1
Answer: 0
Explination:
Subtract 1 from 1
1-1=0

Question 8.
3
Answer: 2
Explination:
Subtract 1 from 3
3-1=2

Question 9.
5
Answer: 4
Explination:
Subtract 1 from 4
4-1=3

Question 10.
7
Answer: 6
Explination:
Subtract 1 from 7
7-1=6

Question 11.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 12.
9
Answer: 8
Explination:
Subtract 1 from 9
9-1=8

Question 13.
8
Answer: 7
Explination:
Subtract 1 from 8
8-1=7

Question 14.
6
Answer: 5
Explination:
Subtract 1 from 6
6-1=5

Question 15.
17
Answer: 16
Explination:
Subtract 1 from 17
17-1=16

Question 16.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 17.
9
Answer: 8
Explination:
Subtract 1 from 9
9-1=8

Question 18.
11
Answer: 10
Explination:
Subtract 1 from 11
11-1=10

Question 19.
9
Answer: 8
Explination:
Subtract 1 from 8
9-1=8

Question 20.
13
Answer: 12
Explination:
Subtract 1 from 13
13-1=12

Question 21.
11
Answer: 10
Explination:
Subtract 1 from 11
11-1=10

Question 22.
1
Answer: 0
Explination:
Subtract 1 from 1
1-1=0

Question 23.
11
Answer: 10
Explination:
Subtract 1 from 11
11-1=10

Question 24.
21
Answer: 20
Explination:
Subtract 1 from 21
21-1=20

Question 25.
5
Answer: 4
Explination:
Subtract 1 from 4
5-1=4

Question 26.
15
Answer: 14
Explination:
Subtract 1 from 15
15-1=14

Question 27.
25
Answer: 24
Explination:
Subtract 1 from 25
25-1=24

Question 28.
20
Answer: 19
Explination:
Subtract 1 from 20
20-1=19

Question 29.
10
Answer: 9
Explination:
Subtract 1 from 10
10-1=9

Question 30.
21
Answer: 20
Explination:
Subtract 1 from 21
21-1=20

Eureka Math Grade 1 Module 1 Lesson 28 Problem Set Answer Key

Read the story. Draw a horizontal line through the items that are leaving the story.
Then, complete the number bond, sentence, and statement.

Question 1.
There are 5 toy airplanes flying at the park. One went down and broke. How many airplanes are still flying?

5 – 1 = _____
There are ________ airplanes still flying.
Answer: 5 – 1 = 4
There are 4 airplanes still flying.

Question 2.
I had 6 eggs from the store.
Three of them were cracked.
How many eggs did I have that were not cracked?

6 – ___ = _____
_________ eggs were not cracked.
Answer: 6 – 3 = 3
3 eggs were not cracked.

Draw a number bond and math drawing to help you solve the problems.

Question 3.
Kate saw 8 cats playing in the grass.
Three went away to chase a mouse.
How many cats remained in the grass?

_____ – _____ = _____
________ cats remained in the grass.
Answer: 8-3=5
5 cats remained in the grass.

Question 4.
There were 7 mango slices.
Two of them were eaten.
How many mango slices are left to eat?

_____ – _____ = _____
There are ________ mango slices left.
Answer: 7-2=5
There are 5 mango slices left.

Eureka Math Grade 1 Module 1 Lesson 28 Exit Ticket Answer Key

Read the problem. Make a math drawing to solve.
There were 9 kites flying in the park. Three kites got caught in trees. How many kites were still flying?

___ – ___ = ___
____ kites were still flying.
Answer: 9-3=6
6 kites were still flying.

Eureka Math Grade 1 Module 1 Lesson 28 Homework Answer Key

Read the story. Make a math drawing to solve.

Question 1.
There were 6 hot dogs on the grill. Two finish cooking and are removed. How many hot dogs remain on the grill?

6 – ___ = ___
There are ____ hot dogs remaining on the grill.
Answer: 6-2=4
There are 4 hot dogs remaining on the grill.

Question 2.
Bob buys 8 new toy cars. He takes 3 out of the bag. How many cars are still in the bag?

___ – ___ = ___
____ cars are still in the bag.
Answer: 8-3=5
5 cars are still in the bag

Question 3.
Kira sees 7 birds in the tree. Three birds fly away. How many birds are still in the tree?

___ – ___ = ___
____ birds are still in the tree.
Answer: 7-3=4
4 birds are still in the tree.

Question 4.
Brad has 9 friends over for a party. Six friends get picked up. How many friends are still at the party?

___ – ___ = ___
____ friends are still at the party.
Answer: 9-6=3
3 friends are still at the party.

Question 5.
Jordan was playing with 10 cars. He gave 7 to Kate. How many cars is Jordan playing with now?

___ – ___ = ___
Jordan is playing with ____ cars now.
Answer: 10-7=3
Jordan is playing with 3 cars now.

Question 6.
Tony takes 4 books from the bookshelf. There were 10 books on the shelf to start. How many books are on the shelf now?

___ – ___ = ___
__ books are on the shelf now.
Answer: 10-4=6
6 books are on the shelf now.

Engage NY Eureka Math 1st Grade Module 1 Lesson 20 Answer Key

Eureka Math Grade 1 Module 1 Lesson 20 Problem Set Answer Key

Circle the larger amount and count on. Write the number sentence, starting with the larger number.

Question 1.

Color the larger part, and complete the number bond.
Write the number sentence, starting with the larger part.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Color the larger part of the bond. Count on from that part to find the total, and fill in the number bond. Complete the first number sentence, and then rewrite the number sentence to start with the larger part.

Question 5.

Answer:

Question 6.

Answer:

Circle the larger number, and count on to solve.

Question 7.
1 + 5 = _____

Answer:
by adding 1 + 5 we get 6

Question 8.
2 + 6 = _____

Answer:
by adding 2 + 6 we get 8

Question 9.
4 + 3 = _____

Answer:
by adding 4 + 3 we get 7

Question 10.
3 + 6 = _____

Answer:
by adding 3 + 6 we get 9

Eureka Math Grade 1 Module 1 Lesson 20 Exit Ticket Answer Key

Circle the larger part, and complete the number bond. Write the number sentence, starting with the larger part.

a.

Answer:

b.

Answer:

Eureka Math Grade 1 Module 1 Lesson 20 Homework Answer Key

Color the larger part, and complete the number bond.
Write the number sentence, starting with the larger part.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 25 Answer Key

Eureka Math Grade 1 Module 1 Lesson 25 Problem Set Answer Key

Break the total into parts. Write a number bond and addition and subtraction number sentences to match the story.

Question 1.
Rachel and Lucy are playing with 5 trucks. If Rachel is playing with 2 of them, how many is Lucy playing with?

Lucy is playing with ______ trucks.

Answer:
Lucy is playing with 3 trucks.

Question 2.
Jane caught 9 fish. She caught 7 fish before she ate lunch. How many fish did she catch after lunch?

Jane caught _______ fish after lunch.

Answer:
Jane caught 2 fish after lunch.

Question 3.
Dad bought 6 shirts. The next day he returned some of them. Now, he has 2 shirts. How many shirts did Dad return?

Dad returned ______ shirts.

Answer:
Dad returned 4 shirts.

Question 4.
John had 3 strawberries. Then, his friend gave him more fruit. Now, John has 7 pieces of fruit. How many pieces of fruit did John’s friend give him?

John’s friend gave him ______ pieces of fruit.

Answer:
John’s friend gave him 4 pieces of fruit.

Eureka Math Grade 1 Module 1 Lesson 25 Exit Ticket Answer Key

Solve the math story. Complete the number bond and number sentences. Color the unknown number yellow.

Rich bought 6 cans of soda on Monday. He bought some more on Tuesday. Now, he has 9 cans of soda. How many cans did Rich buy on Tuesday?

Rich bought ________ cans.

Answer:
Rich bought 3 cans.

Eureka Math Grade 1 Module 1 Lesson 25 Homework Answer Key

Break the total into parts. Write a number bond and addition and subtraction number sentences to match the story.

Question 1.
Six flowers bloomed on Monday. Some more bloomed on Tuesday. Now, there are 8 flowers. How many flowers bloomed on Tuesday?

______ flowers bloomed on Tuesday.

Answer:
2 flowers bloomed on Tuesday.

Question 2.
Below are the balloons that Mom bought. She bought 4 balloons for Bella, and the rest of the balloons were for Jim. How many balloons did she buy for Jim?

Mom bought Jim _______ balloons.

Answer:
Mom bought Jim 5 balloons.

Draw a picture to solve the math story.

Question 3.
Missy buys some cupcakes and 2 cookies. Now, she has 6 desserts. How many cupcakes did she buy?

Missy bought _______ cupcakes.

Answer:
Missy bought 4 cupcakes.

Question 4.
Jim invited 9 friends to his party. Three friends arrived late, but the rest came early. How many friends came early?

______ friends came early.

Answer:
6 friends came early.

Question 5.
Mom paints her fingernails on both hands. First, she paints 2 red. Then, she paints the rest pink. How many fingernails are pink?

Mom paints _______ fingernails pink

Answer:
Mom paints 8 fingernails pink.

Eureka Math Grade 1 Module 1 Lesson 25 Fluency Template Answer Key

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 24 Answer Key

Eureka Math Grade 1 Module 1 Lesson 24 Problem Set Answer Key

Related Fact Ladders

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Eureka Math Grade 1 Module 1 Lesson 24 Exit Ticket Answer Key

Question 7.
Solve the number sentences. Use the key to color. Once the box is colored, you do not need to color it again.
a. 5 + 2 = __

b. 7 + 2 = __

c. 2 + 3 = __

d. 3 + 3 = __

e. 7 = 1 + __

f. 2 = 1 + __

g. __ = 4 + 4

h. 8 + 2 = __

i. 3 + 4 = __

j . __ = 5 + 4

k. 10 = 1 + __

l. 10 = 5 + __

Answer:
a. 5 + 2 = 7

b. 7 + 2 = 9

c. 2 + 3 = 5

d. 3 + 3 = 6

e. 7 = 1 + 6

f. 2 = 1 + 1

g. 8 = 4 + 4

h. 8 + 2 = 10

i. 3 + 4 = 7

j 9.  = 5 + 4

k. 10 = 1 + 9

l. 10 = 5 + 5

Question 8.
Color doubles red.
Color +1 blue.
Color +2 green.
Color doubles +1 brown.

Answer:
Color doubles red.=3+3=6
Color +1 blue= 4+1=5
Color +2 green= 5+2=7
Color doubles +1 brown.=3+1=4

Question 9.
Challenge:
List the number of sentences that can be colored more than 1 way.

Answer: 6
Explanation:
5+1=6
3+3=6
2+4=6

Eureka Math Grade 1 Module 1 Lesson 24 Homework Answer Key

question 10.
Solve and sort the number sentences. One number sentence can go in more than one place when you sort.
5 + 1 = _____

3 + 3 = _____

__ = 4 + 4

___ = 5 + 4

6 + 2 = __

7 + 1 = ___

8 +2 = __

10 = 1 + __

2 + 3 = __

2 + 2 = __

3 + 4 = ___

__ = 5 + 2

Answer:

Question 11.
Write your own number sentences, and add them to the chart.

Answer:

question 12.
Solve and practice math facts.

Answer:

Eureka Math Grade 1 Module 1 Lesson 24 Fluency Template Answer Key

Question 13.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 22 Answer Key

Eureka Math Grade 1 Module 1 Lesson 22 Problem Set Answer Key

Question 1.
Use RED to color boxes with 0 as an addend. Find the total for each.
Answer:

Question 2.
Use ORANGE to color boxes with 1 as an addend. Find the total for each.
Answer:

Question 3.
Use YELLOW to color boxes with 2 as an addend. Find the total for each.
Answer:

Question 4.
Use GREEN to color boxes with 3 as an addend. Find the total for each.
Answer:

Question 5.
Use BLUE to color the boxes that are left. Find the total for each.

Answer:

Eureka Math Grade 1 Module 1 Lesson 22 Exit Ticket Answer Key

Some of the addends in this chart are missing! Fill in the missing numbers.

Answer:

Eureka Math Grade 1 Module 1 Lesson 22 Homework Answer Key

Solve the problems without counting all. Color the boxes using the key.

Step 1: Color the problems with “+ 1” or “1 +” blue.
Step 2: Color the remaining problems with “+ 2” or “2 +” green.
Step 3: Color the remaining problems with “+ 3” or “3 +” yellow.

a. 7 + 1 = ___

b. 8 + ___ = 9

c. 3 + 1 = ___

d. 5 + 3 = ___

e. 5 + ___ = 7

f. 4 + ___ = 7

g. 6 + 3 = ___

h. 8 + ___ = 10

i. 2 + 1 = ___

j. 1 + ___ = 2

k. 1 + ___ = 4

l. 6 + 2 = ___

m. 3 + ___ = 6

n. 6 + ___ = 7

o. 3 + 2 = ___

p. 5 + 1 = ___

q. 2 + 2 = ___

r. 4 + ___ = 6

s. 4 + 1 = ___

t. 7 + 2 = ___

u. 2 + ___ = 3

v. 9 + 1 = ___

w. 7 + 3 = ___

x. 1 + ___ = 3
Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 23 Answer Key

Eureka Math Grade 1 Module 1 Lesson 23 Problem Set Answer Key

Use your chart to write a list of number sentences in the spaces below.

Answer:

Eureka Math Grade 1 Module 1 Lesson 23 Exit Ticket Answer Key

Question 1.
Circle all the boxes that total 10.
Answer:

Question 2.
Draw an X through all the boxes that total 8.

Answer:

Eureka Math Grade 1 Module 1 Lesson 23 Homework Answer Key

Fill in the missing box, and find the totals for all of the expressions. Use your completed addition chart to help you.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 19 Answer Key

Eureka Math Grade 1 Module 1 Lesson 19 Sprint Answer Key

A
*Count on to add.

Question 1.
1 + 1

Answer:
By adding 1 + 1 we get 2

Question 2.
2 + 1

Answer:
By adding 2 + 1 we get 3

Question 3.
3 + 1

Answer:
By adding 3 + 1 we get 4

Question 4.
3 + 2

Answer:
By adding 3 + 2 we get 5

Question 5.
2 + 2

Answer:
By adding 2 + 2 we get 4

Question 6.
3 + 2

Answer:
By adding 3 + 2 we get 5

Question 7.
2 + 2

Answer:
By adding 2 + 2 we get 4

Question 8.
3 + 0

Answer:
By adding 3 + 0 we get 3

Question 9.
3 + 1

Answer:
By adding 3 + 1 we get 4

Question 10.
3 + 2

Answer:
By adding 3 + 2 we get 5

Question 11.
5 + 2

Answer:
By adding 5 + 2 we get 7

Question 12.
5 + 3

Answer:
By adding 5 + 3 we get 8

Question 13.
5 + 2

Answer:
By adding 5 + 2 we get 7

Question 14.
5 + 3

Answer:
By adding 5 + 3 we get 8

Question 15.
6 + 3

Answer:
By adding 6 + 3 we get 9

Question 16.
4 + 3

Answer:
By adding 4 + 3 we get 8

Question 17.
3 + 3

Answer:
By adding 3 + 3 we get 6

Question 18.
4 + 3

Answer:
By adding 4 + 3 we get 7

Question 19.
3 + 4

Answer:
By adding 3 + 4 we get 7

Question 20.
2 + 4

Answer:
By adding 2 + 4 we get 6

Question 21.
4 + 2

Answer:
By adding 4 + 2 we get 6

Question 22.
5 + 2

Answer:
By adding 1 + 1 we get 2

Question 23.
2 + 5

Answer:
By adding 5 + 2 we get 7

Question 24.
2 + 6

Answer:
By adding 2 + 6 we get 8

Question 25.
6 + 3

Answer:
By adding 6 + 3 we get 9

Question 26.
3 + 6

Answer:
By adding 3 + 6 we get 9

Question 27.
2 + 7

Answer:
By adding 2 + 7 we get 9

Question 28.
3 + 7

Answer:
By adding 3 + 7 we get 10

Question 29.
2 + 8

Answer:
By adding 2 + 8 we get 10

Question 30.
3 + 6

Answer:
By adding 3 + 6 we get 9

B
*Count on to add.

Question 1.
2 + 1

Answer:
By adding 2 + 1 we get 3

Question 2.
1 + 1

Answer:
By adding 1 + 1 we get 2

Question 3.
2 + 1

Answer:
By adding 2 + 1 we get 3

Question 4.
2 + 2

Answer:
By adding 2 + 2 we get 4

Question 5.
3 + 2

Answer:
By adding 3 + 2 we get 5

Question 6.
2 + 2

Answer:
By adding 2 + 2 we get 4

Question 7.
3 + 2

Answer:
By adding 3 + 2 we get 5

Question 8.
3 + 1

Answer:
By adding 3 + 1 we get 4

Question 9.
5 + 1

Answer:
By adding 5 + 1 we get 6

Question 10.
6 + 1

Answer:
By adding 6 + 1 we get 7

Question 11.
6 + 2

Answer:
By adding 6 + 2 we get 8

Question 12.
5 + 2

Answer:
By adding 5 + 2 we get 7

Question 13.
6 + 2

Answer:
By adding 6 + 2 we get 8

Question 14.
6 + 3

Answer:
By adding 6 + 3 we get 9

Question 15.
5 + 3

Answer:
By adding 5 + 3 we get 8

Question 16.
4 + 3

Answer:
By adding 4 + 3 we get 7

Question 17.
3 + 3

Answer:
By adding 3 + 3 we get 6

Question 18.
2 + 3

Answer:
By adding 2 + 3 we get 5

Question 19.
1 + 3

Answer:
By adding 1 + 3 we get 4

Question 20.
0 + 3

Answer:
By adding 0 + 3 we get 3

Question 21.
1 + 3

Answer:
By adding 1 + 3 we get 4

Question 22.
2 + 5

Answer:
By adding 2 + 5 we get 7

Question 23.
5 + 2

Answer:
By adding 5 + 2 we get 7

Question 24.
2 + 6

Answer:
By adding 2 + 6 we get 8

Question 25.
6 + 2

Answer:
By adding 6 + 2 we get 8

Question 26.
3 + 6

Answer:
By adding 3 + 6 we get 9

Question 27.
3 + 7

Answer:
By adding 3 + 7 we get 10

Question 28.
2 + 7

Answer:
By adding 2 + 7 we get 9

Question 29.
2 + 6

Answer:
By adding 2 + 6 we get 8

Question 30.
3 + 6

Answer:
By adding 3 + 6 we get 9

Eureka Math Grade 1 Module 1 Lesson 19 Problem Set Answer Key

Question 1.
Write the number bond to match the picture. Then, complete the number sentences.
a.

Answer:

b.

Answer:

c.

Answer:

Write the expression under each plate. Add the equal sign to show they are the same amount.

Question 2.

Answer:

Question 3.

Answer:

Question 4.
Draw to show the expression.

Answer:

Question 5.
Draw and write to show 2 expressions that use the same numbers and have the same total.

Answer:

Eureka Math Grade 1 Module 1 Lesson 19 Exit Ticket Answer Key

Use the picture and write the number sentences to show the parts in a different order.

Answer:

Eureka Math Grade 1 Module 1 Lesson 19 Homework Answer Key

Question 1.
Use the picture to write a number bond. Then, write the matching number sentences.

Answer:

Question 2.
Write the number sentences to match the number bonds.
a.

Answer:

b.

Answer:

c.

Answer:

d.

Answer:

e.

Answer:

f.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 21 Answer Key

Eureka Math Grade 1 Module 1 Lesson 21 Problem Set Answer Key

Add the numbers on the pairs of cards. Write the number sentences. Color doubles red. Color doubles plus 1 blue.

Question 1.

Answer: 6
The above equation shows a pair of cards
ADD the pair of cards 
By adding 3 and 3
we get 6

Question 2.

Answer:8
The above equation shows a pair of cards
ADD the pair of cards 
By adding 4 wth 4
we get 8

Question 3.

Answer:7
The above equation shows a pair of cards
ADD the pair of cards 
By adding 3 wth 4
we get 7

Question 4.

Answer:9
The above equation shows a pair of cards
ADD the pair of cards 
By adding 5 wth 4
we get 9

Solve. Use your doubles to help. Draw and write the double that helped.

Question 5.

Answer: 9
Given the numbers are 5 and 4
To find the missing number
Add 5 with 4
we get 9

Question 6.

Answer:7
Given the numbers are 3 and 4
To find the missing number
Add 3 with 4
we get 7

Question 7.
Solve the doubles and the doubles plus 1 number sentences.

Answer:

Question 8.
Show how this strategy can help you solve 5 + 6 =

Answer:11
Given the numbers are 5 and 6
To find the missing number
Add 5 with 6
we get 11

Question 9.
Write a set of 4 related addition facts for the number sentences of Problem 7(d).
Answer: 4+4 =8
8+4+4
4+5=9
9=4+5

Eureka Math Grade 1 Module 1 Lesson 21 Exit Ticket Answer Key

Write the double and double plus 1 number sentence for each 5-group card.

Answer:

Eureka Math Grade 1 Module 1 Lesson 21 Homework Answer Key

Question 1.
Draw the 5-group card to show a double. Write the number sentence to match the cards.
a.
Answer:The double  fact that hlped to solve the euqation is
4+4=8
For which the double+1 fact is 4+5=9

b.
Answer:The double  fact that hlped to solve the euqation is
3+3=6
For which the double+1 fact is 3+4=7

c.
Answer:The double  fact that hlped to solve the euqation is
5+5=10
For which the double+1 fact is 5+6=11

Question 2.
Fill in the 5-group cards in order from least to greatest, double the number, and write the number sentences.
a.

b.

c.

d.

e.
Answer:

Question 3.
Solve the number sentences.
a. 3 + 3 = __

Answer:6
Given : two numbers are 3 and 3
By adding 3 with 3 we get 6
3 + 3 = 6

b. 5 + __ = 10

Answer:10
Given : two numbers are 5 and 10
by subracting 5 from 10 we get 5
10-5=5
so the issing number is 5
5 + 5 = 10

c. 1 + __ = 2

Answer: 1
Given : two numbers are 1 and 2
by subracting 1 from 2 we get 1
2-1=1
so the issing number is 1
1+1=2

d. 4 = __ + 2

Answer:2
Given : two numbers are 4 and 2
by subracting 2 from 4 we get 2
4-2=2
so the issing number is 2
4 = 2 + 2

e. 8 = 4 + __

Answer:4
Given : two numbers are 4 and 8
by subracting 4 from 8 we get4
8-4=4
so the issing number is 5
8 = 4 + 4

Question 4.
Match the top cards to the bottom cards to show doubles plus 1.
a.

b.

c.

d.

Answer:

Question 5.
Solve the number sentences. Write the double fact that helped you solve the double plus 1.
a.
Answer: The double +1 fact that hlped to solve the euqation is
2+3=5
For which the double fact is 2+2=4

b.
Answer:The double +1 fact that hlped to solve the euqation is
3+4=7
For which the double fact is 3+3=6

c.
Answer:The double +1 fact that hlped to solve the euqation is
4+5=9
For which the double fact is 4+4=8

Engage NY Eureka Math 1st Grade Module 1 Lesson 18 Answer Key

Eureka Math Grade 1 Module 1 Lesson 18 Problem Set Answer Key

Question 1.
Add. Color the balloons that match the number in the boy’s mind. Find expressions that are equal. Connect them below with = to make true number sentences.
a.

Answer:

b.

Answer:

Question 2.
Are these number sentences true?

If it is false, rewrite the number sentence to make it true.

a. 3 + 1 = 2 + 2
____________

Answer:
3 + 1 = 2 + 2 
4 = 4

b. 9 + 1 = 1 + 2
____________

Answer:
9 + 1 = 1 + 2
9 + 1 = 1 + 2
10 not equal to 3
correct expression is
9 + 1 = 1 + 9
10 = 10

c. 2 + 3 = 1 + 4
____________

Answer:
2 + 3 = 1 + 4
5 = 5

d. 5 + 1 = 4 + 2
____________

Answer:
5 + 1 = 4 + 2
6 = 6

e. 4 + 3 = 3 + 5
____________

Answer:
4 + 3 = 3 + 5
7 not equal to 8
correct expression is
4 + 3 = 3 + 4
7 = 7

f. 0 + 10 = 2 + 8
____________

Answer:
0 + 10 = 2 + 8
10 = 10

g. 6 + 3 = 4 + 5
____________
Answer:
6 + 3 = 4 + 5
9 = 9

h. 3 + 7 = 2 + 6
____________

Answer:
3 + 7 = 2 + 6
10 not equal to 8
correct expression is
3 + 7 = 7 + 3
10 = 10

Question 3.
Write a number in the expression and solve.
a. 1 + __ = 3 + 2

Answer:
1 + 4 = 3 + 2 

b. __ + 4 = 2 + 5

Answer:
1 + 4 = 2 + 5

c. __ + 5 = 6 + __

Answer:
2+ 5 = 6 + 1

d. 7 + __ = 8 + __

Answer:
7 + 1= 8 + 0

Eureka Math Grade 1 Module 1 Lesson 18 Exit Ticket Answer Key

Find two ways to fix each number sentence to make it true.

a.

Answer:

b.

Answer:

Eureka Math Grade 1 Module 1 Lesson 18 Homework Answer Key

Question 1.
The pictures below are not equal. Make the pictures equal, and write a true number sentence.

Answer:

Question 2.
Circle the true number sentences, and rewrite the false sentences to make them true.
a.

Answer:

b.

Answer:

c.

Answer:

d.

Answer:

e.

Answer:

f.

Answer:

g.

Answer:

h.

Answer:

i.

Answer:

Question 3.
Find the missing part to make the number of sentences true.

a. 8 + 0 = __ + 4

Answer:
8 + 0 = 4 + 4

b. 7 + 2 = 9 + __

Answer:
7 + 2 = 9 + 0

c. 5 + 2 = 4 + __

Answer:
5 + 2 = 4 + 3

d. 5 + __ = 6 + 0

Answer:
5 + 1 = 6 + 0

e. 5 + 4 = __ + 3

Answer:
5 + 4 = 6 + 3

Engage NY Eureka Math 1st Grade Module 1 Lesson 17 Answer Key

Eureka Math Grade 1 Module 1 Lesson 17 Problem Set Answer Key

Write an expression that matches the groups on each plate. If the plates have the same amount of fruit, write the equal sign between the expressions.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.
Write an expression to match each domino.

a.

Answer:

b.

Answer:

c.

Answer:

d.

Answer:

e.

Answer:

f.

Answer:

g. Find two sets of expressions from (a)–(f) that are equal. Connect them below with = to make true number sentences.

Question 6.
a.

Answer:

b.

Answer:

c.

Answer:

d.

Answer:

e.

Answer:

f.

Answer:

Match didn’t found

g. Find two sets of expressions from (a)–(f) that are equal. Connect them below with = to make true number sentences.
___ _____
Answer:

Eureka Math Grade 1 Module 1 Lesson 17 Exit Ticket Answer Key

Question 1.
Use math drawings to make the pictures equal. Connect them below with = to make true number sentences.

Answer:

Question 2.
Shade the equal dominoes. Write a true number sentence.

Answer:

Eureka Math Grade 1 Module 1 Lesson 17 Homework Answer Key

Question 1.
Match the equal dominoes. Then, write true number sentences.

a.

b.

c.
Answer:

Question 2.
Find the expressions that are equal. Use the equal expressions to write true number sentences.

a. ___ _____
b. ___ _____
Answer:
a. 5+2 = 4+3
b. 8+2 = 7+3

Engage NY Eureka Math 1st Grade Module 1 Lesson 15 Answer Key

Eureka Math Grade 1 Module 1 Lesson 15 Sprint Answer Key

A
*Count on to add. Write the number.

Answer:

B
*Count on to add. Write the number.

Answer:

Eureka Math Grade 1 Module 1 Lesson 15 Problem Set Answer Key

Question 1.
Count on to add.
a.
There are __ crayons altogether.

Answer:

There are 6 crayons altogether.

b.
There are a total of ____ balloons

Answer:

There are a total of 7 balloons

c.
In all, there are ___ pencils

Answer:

In all, there are 7 pencils

Question 2.
What shortcut or efficient strategy can you find to add?
a.

Answer: 5

b.

Answer: 7

c.

Answer: 8

d.

Answer: 8

e.

Answer: 8

f.

Answer: 9

g.

Answer: 10

h.

Answer: 7

i.

Answer: 9

j.

Answer: 10

k.

Answer: 6

l.

Answer: 7

m.

Answer: 8

n.

Answer: 10

Eureka Math Grade 1 Module 1 Lesson 14 Exit Ticket Answer Key

Use the picture to add.

Show the shortcut you used to add.

There are _________ eggs total.

Answer: 9

There are 9 eggs total.

Eureka Math Grade 1 Module 1 Lesson 15 Homework Answer Key

Use your 5-group cards or your fingers to count on to solve.

Question 1.

Answer: 8

Question 2.

Answer: 8

Question 3.

Answer: 10

Show the shortcut you used to add.

Answer: 8

Show the strategy you used to add.

Answer: 9

Question 4.

Answer: 10

Question 5.

Answer: 9

Question 6.

Answer: 9

Engage NY Eureka Math 1st Grade Module 1 Lesson 8 Answer Key

Eureka Math Grade 1 Module 1 Lesson 8 Problem Set Answer Key

Question 1.
Use your bracelet to show different partners of 10. Then, draw the beads. Write an expression to match.

Answer:

Question 2.
Match the partners of 10. Then, write a number bond for each partner.

Answer:

Answer:

Question 3.
Color the number bond that has 2 parts that are the same. Write addition sentences to match that number bond.

Answer:

Eureka Math Grade 1 Module 1 Lesson 8 Exit Ticket Answer Key

Color the partners that make 10.

Answer:

Eureka Math Grade 1 Module 1 Lesson 8 Homework Answer Key

Question 1.
Rex found 10 bones on his walk. He can’t decide which part he wants to bring to his doghouse and which part he should bury. Help show Rex his choices by filling in the missing parts of the number bonds.

Answer:

Question 2.
He decided to bury 3 and bring 7 back home. Write all the adding sentences that match this number bond.

Answer:

Eureka Math Grade 1 Module 1 Lesson 8 Fluency Template Answer Key

Do as many as you can in 90 seconds. Write the number of bonds you finished here:

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

Question 9.

Answer:

Question 10.

Answer:

Question 11.

Answer:

Question 12.

Answer:

Question 13.

Answer:

Question 14.

Answer:

Question 15.

Answer:

Question 16.

Answer:

Question 17.

Answer:

Question 18.

Answer:

Question 19.

Answer:

Question 20.

Answer:

Question 21.

Answer:

Question 22.

Answer:

Question 23.

Answer:

Question 24.

Answer:

Question 25.

Answer:

Engage NY Eureka Math 1st Grade Module 1 Lesson 14 Answer Key

Eureka Math Grade 1 Module 1 Lesson 14 Problem Set Answer Key

Question 1.
Count on to add.

There are ____ flowers altogether.

Answer:7
There are 6 flowwers in hand
And one flower aside
By adding 6 flowers with the one flower
we get 7

There are 7 flowers altogether.

Question 2.

There are ____ oranges in all.

Answer: 7
There are 5oranges  in the basket
And 2 fallen from the basket
By adding 5 with 2
we get 7 oranges

There are 7 oranges in all.

Question 3.

There is a total of ____ crayons.

Answer:8
There are 5 crayons in the box
And three left on the ground
By adding 5 with 3
We get 8

There is a total of 8 crayons.

Question 4.
Use your 5-group cards to count on to add. Try to use as few dot cards as you can.

Answer:

Question 5.
Use your 5-group cards, your fingers, or your known facts to count on to add.

Answer:

Eureka Math Grade 1 Module 1 Lesson 14 Exit Ticket Answer Key

Question 1.

Answer: 8
There are 6 hats which are bunches up
2 more hats are places seperatly
By adding 6 with 2
We get 8

Question 2.
Count on to solve the number sentences.
a.

Answer:10
In one box we have 7
in other boxx we have 3
by adding 7 with 3 we get 10

b.

Answer:10
In one box we have 8
in other boxx we have 2
by adding 8 with 2 we get 10

Eureka Math Grade 1 Module 1 Lesson 14 Homework Answer Key

Count on to add.

a.

Answer:6
There are 5 bananas in the image and there is one more peled banana aside
By adding 5 with 1 we get 6

Write what you say when you count on.

b.

Answer: 7
There is 5 in one box and 2 in other box
adding of this two numbers gives us 7
That is adding 5 with 2 we get 7

c.

Answer:9
There is 7 in one box and 2 in other box
adding of this two numbers gives us 9
That is adding 7 with 2 we get 9

d.

Answer:9
There is 6 in one box and 3 in other box
adding of this two numbers gives us 9
That is adding 6 with 3 we get 9

e.

Answer:8
There is 7 in one box and 1 in other box
adding of this two numbers gives us 8
That is adding 7 with 1 we get 8

Engage NY Eureka Math 1st Grade Module 1 Lesson 13 Answer Key

Eureka Math Grade 1 Module 1 Lesson 13 Problem Set Answer Key

With a partner, create a story for each of the number sentences below. Draw a picture to show. Write the number bond to match the story.

Question 1.
6 + 2 =

Answer: 8
The number bond Canbe be formed using 6 and 2
given :
addition of 2 numbers
By adding 6 with 2 we get 8
Form the number bond by breaking the number 8 into two parts. The value of the first part is 6 and the value of the second part is 2

Question 2.
5 + 5 =

Answer: 10
The number bond Canbe be formed using 5 and 5
given :
addition of 2 numbers
By adding 5 with 5 we get 10
Form the number bond by breaking the number 10 into two parts. The value of the first part is 5 and the value of the second part is 5

Question 3.
5 + = 7

Answer: 2
The number bond Canbe be formed using 7 and 5
Given :
Two numbers are 7 and 5
Subract 5 from 7 we get 2
Form the number bond by breaking the number 7 into two parts. The value of the first part is 5 and the value of the second part is 2

Question 4.
6 + = 10

Answer: 4
The number bond Can be be formed using 6 and 10
Given :
Two numbers are 6 and 10
Subract 6 from 10 we get 4
Form the number bond by breaking the number 10 into two parts. The value of the first part is 6 and the value of the second part is 4

Eureka Math Grade 1 Module 1 Lesson 13 Exit Ticket Answer Key

Tell a math story for each number sentence by drawing a picture.

Question 1.
5 + 1 = 6

Answer:6
We broke the number 10 into two parts. The value of the first part is 5 and the value of the second part is 1.
And the total sum is the addition of 5 with1 we get 6

Question 2.
3 + ? = 8

Answer: 5
We broke the number 8 into two parts. The value of the first part is 3 and the value of the second part is 3.
And the total sum is the addition of 5 with 3 we get 8

Eureka Math Grade 1 Module 1 Lesson 13 Homework Answer Key

Use the number sentences to draw a picture, and fill in the number bond to tell a math story.

Question 1.
5 + 2 = 7

Answer: 7
The stars are the total number of objects
We broke the number 7 into two parts. The value of the first part is 5 and the value of the second part is 2.
And the total sum is the addition of 5 with 2 we get 7

Question 2.
3 + 6 = 9

Answer:9
We broke the number 9 into two parts. The value of the first part is 3 and the value of the second part is 6.
And the total sum is the addition of 3 with 6 we get 9

Question 3.
7 + ? = 9

Answer: 2
Given : two numbers are 7 and 9
By subracting 7 from 9 we get 2
2 is the missing number.
We broke the number 9 into two parts. The value of the first part is 7 and the value of the second part is 2.
And the total sum is the addition of 7 with 2 we get 9