Addition/Subtraction- 2nd grade

Making a 10

100

What number can you add to 3 to make a 10?

7

3+7=10

200

What number can you add to 8 to make a 10?

2

8+2=10

300

What number can you add to 4 to make a 10?

6

4+6=10

400

What number can you add to 5 to make a 10?

5

5+5=10

500

What equations are in the fact family using the numbers 1, 9, and 10?

__+__=__                    __-__=__

__+__=__                    __-__=__

1+9=10              10-1=9

9+1=10              10-9=1

Addition within 20

100

10 + 10 = ___

10 + 10 = 20

200

7 + 10 = ___

7 + 10 = 17

300

8 + 4 = ___

8 + 4 = 12

400

3 + 15 = ___

3 + 15 = 18

500

9 + 6 = ___

9 + 6 = 15

Subtraction within 20

100

20 - 1 = ___

20 - 1 = 19

200

15 - 5 = ___

15 - 5 = 10

300

14 - 7 = ___

14 - 7 = 7

400

12 - 7 = ___

12 - 7 = 5

500

16 - 8 = ___

16 - 8 = 8

Missing Addend

100

9 + __ = 11

9 + 2 = 11

200

5 + __ = 10

5 + 5 = 10

300

17 + __ = 20

17 + 3 = 20

400

4 + __ = 18

4 + 14 = 18

500

__ + 3 = 15

12 + 3 = 15

Word Problems

100

Justin went fishing. He caught 5 fish. His dad caught 3. How many fish did Justin and his dad catch in all?

5 + 3 = 8

8 fish

200

Riley  was on a soccer team. Her team scored 6 goals in their first game. Then they scored 5 goals in their second game. How many total goals did Riley's team score in both games?

6 + 5 = 11

11 goals

300

Brooklyn had 17 stickers. She gave 13 stickers to her friends. How many did Brooklyn have left?

17 - 13 = 4

4 stickers

400

We have 20 schools days in October. If we've had 13 so far, how many more school days do we have in October?

20 - 13 = 7

7 more days

500

Miles got 19 pieces of candy when he went trick-or-treating. Beth got 12. How many more pieces did Miles get than Beth?

19 - 12 = 7

Miles got 7 more pieces than Beth