Show:
Add & Subtract Within 10
Add & Subtract Within 20
Add & Subtract Within 100
100

3 + 1 = ____

4
100

11 + 2 = ____

13

100

41 + 10 = ____

51

200

2 + 4 = ____

6

200

14 + 2 = ____

16

200

43 + 26 = ____

69

300

3 + 6 = ____

9

300

9 + 6 = ____

15

300

44 + 16 = ____

60

400

5 + 0 = ____

5

400

13 + 6 = ____

19

400

58 + 25 = ____

83

500

7 + 3 = ____

10

500

17 + 3 = ____

20

500

73 + 27 = ____

100