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.
Eureka Math Grade 1 Module 1 Lesson 28 Sprint Answer Key 1

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.
Eureka Math Grade 1 Module 1 Lesson 28 Sprint Answer Key 2

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?
Eureka Math Grade 1 Module 1 Lesson 28 Problem Set Answer Key 3
5 – 1 = _____
There are ________ airplanes still flying.
Answer: 5 – 1 = 4
There are 4 airplanes still flying.
Eureka-Math-Grade-1-Module-1-Lesson-28-Problem-Set-Answer-Key-3

Question 2.
I had 6 eggs from the store.
Three of them were cracked.
How many eggs did I have that were not cracked?
Eureka Math Grade 1 Module 1 Lesson 28 Problem Set Answer Key 4
6 – ___ = _____
_________ eggs were not cracked.
Answer: 6 – 3 = 3
3 eggs were not cracked.
Eureka-Math-Grade-1-Module-1-Lesson-28-Problem-Set-Answer-Key-4

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?
Eureka Math Grade 1 Module 1 Lesson 28 Problem Set Answer Key 5
_____ – _____ = _____
________ cats remained in the grass.
Answer: 8-3=5
5 cats remained in the grass.
Eureka-Math-Grade-1-Module-1-Lesson-28-Problem-Set-Answer-Key-6

Question 4.
There were 7 mango slices.
Two of them were eaten.
How many mango slices are left to eat?
Eureka Math Grade 1 Module 1 Lesson 28 Problem Set Answer Key 6
_____ – _____ = _____
There are ________ mango slices left.
Answer: 7-2=5
There are 5 mango slices left.
Eureka-Math-Grade-1-Module-1-Lesson-28-Problem-Set-Answer-Key-5

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?
Engage NY Math 1st Grade Module 1 Lesson 28 Exit Ticket Answer Key 7
___ – ___ = ___
____ kites were still flying.
Answer: 9-3=6
6 kites were still flying.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-9

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?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 8
6 – ___ = ___
There are ____ hot dogs remaining on the grill.
Answer: 6-2=4
There are 4 hot dogs remaining on the grill.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-8

Question 2.
Bob buys 8 new toy cars. He takes 3 out of the bag. How many cars are still in the bag?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 9
___ – ___ = ___
____ cars are still in the bag.
Answer: 8-3=5
5 cars are still in the bag
Engage-NY-Math-1st-Grade-Module-1-Lesson-28-Exit-Ticket-Answer-Key-7

Question 3.
Kira sees 7 birds in the tree. Three birds fly away. How many birds are still in the tree?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 10
___ – ___ = ___
____ birds are still in the tree.
Answer: 7-3=4
4 birds are still in the tree.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-10

Question 4.
Brad has 9 friends over for a party. Six friends get picked up. How many friends are still at the party?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 11
___ – ___ = ___
____ friends are still at the party.
Answer: 9-6=3
3 friends are still at the party.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-11

Question 5.
Jordan was playing with 10 cars. He gave 7 to Kate. How many cars is Jordan playing with now?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 12
___ – ___ = ___
Jordan is playing with ____ cars now.
Answer: 10-7=3
Jordan is playing with 3 cars now.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-13

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?
Eureka Math 1st Grade Module 1 Lesson 28 Homework Answer Key 13
___ – ___ = ___
__ books are on the shelf now.
Answer: 10-4=6
6 books are on the shelf now.
Eureka-Math-1st-Grade-Module-1-Lesson-28-Homework-Answer-Key-12

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