Addition and Subtraction up to 20

Addition to 10

100

3+4=

7

200

7+3=

10

300

2+7=

9

400

3+3=

6

500

1+7=

8

Addition to 20

100

10+3=

13

200

13+3=

16

300

12+5=

17

400

11+7=

18

500

13+6

19

Word Problems

100

I have 10 stickers and my friend gave me 5 more. How many stickers do I have in all?

15

200

I have 4 books. My friend has 8 books. How many books do we have all together?

12

300

I picked 8 flowers. My friend picked 8 more. How many flowers did we pick in all?

16

400

I have 11 balloons. I bought 3 more. How many balloons do I have in all?

14

500

I have 7 makers. I brought 6 more. How many do I have in all?

13

Subtraction

100

9-4=

5

200

10-2=

8

300

20-5= 

15

400

11-3=

8

500

14-5=

20