Subtraction Review!

Count Back

100

Count back to subtract. Start with 8.

8-3=

5

200

Count back to subtract. Start with 12

12-4=

8

300

Count back to subtract. Start with 15

15-5=

10

400

Count back to subtract. Start with 17

17-4=

13

500

Count back to subtract. Start with 2

2-1=

1

Missing Addend

100

What is the missing addend?

7+____=13

5

200

What is the missing addend?

12+____=16

4

300

What is the missing addend?

9+____=15

6

400

What is the missing addend?

10+____=16

6

500

What is the missing addend?

4+____=11

7

Fact Families

100

Write 2 addition sentences and 2 subtraction sentences for these numbers

4, 6, 10

4+6=10

6+4=10

10-4=6

10-6=4

200

Write 2 addition sentences and 2 subtraction sentences for this fact family

8, 7, 15

8+7=15

7+8=15

15-8=7

15-7=8

300

Write 2 addition sentences and 2 subtraction sentences for this fact family

3, 7, 10

3+7=10

7+3=10

10-3=7

10-7=3

400

Write 2 addition sentences and 2 subtraction sentences for this fact family

8, 7, 15

8+7=15

7+8=15

15-8=7

15-7=8

500

18-9=

9

Word Problems

100

Jan had 12 balloons in her hand. 4 balloons flew away. How many balloons does she have now?

12-4=8

200

Makenna had 8 toys. She lost 3 of them. How many does she have left?

8-3=5

300

Mrs. Stockburger had 15 skittles. She ate 6 of them. How many does she have left?

15-6=9

400

Ms. Kalie had 9 stickers. She gave away 8 of them. How many does she have left?

9-8=1

500

There are 18 first graders in Mrs. Stockburger's class. 3 of them didn't show up to Zoom. How many were in Zoom?

18-3=15