Simple Math

1-Digit Additions

100

5+5

10

200

3+4

7

300

4+9

13

400

9+9

18

500

7+8

15

2-Digit + 1-Digit Regrouping

100

15+9

24

200

28 + 4

32

300

66 + 7

73

400

81 + 9

90

500

86 + 8

94

2-Digit AdditionRegrouping

100

25+19

44

200

36+15

51

300

28+14

42

400

44+46

90

500

55+55

110