Addition within 1 through 10
Addition within 1 through 20
Addition within 1 through 30
Addition within 1 through 40
Addition within 1 through 50
100

4+4?

8

100

15 + 4?

 19

100

10+14?

24

100

30+9?

39


100

25+25?

50

200

 6+2?

8

200

10 + 5?

 15

200

13+13?

26


200

25+10?

35

200

20+29?

49

300

 5 + 4?

 9

300
9+9?

18

300

9+20?

29

300

20+20?

40

300

10+35?

45

400

 2 + 3?

 5

400

5+8?

13

400

30+0?

30


400

22+15?

37

400

30+14?

44

500

 1 + 9?

 10

500

6+7?

13

500

18+9?

27

500

19+19?

38

500

43+7?

50

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