3rd Grade Addition

Single-Digit Addition

100

5 + 3 =

8

200

3 + 2 =

5

300

4 + 5 =

9

400

3 + 6 =

9

500

9 + 9 =

18

Addition with No Regrouping

100

21 + 13 =

34

200

32 + 16 =

48

300

43 + 25 =

68

400

54 + 34 =

88

500

67 + 22 =

89

Addition with Regrouping

100

27 + 15 =

42

200

38 + 24 =

62

300

46 + 37 =

83

400

58 + 26 =

84

500

79 + 18 =

97

3-Digit Addition with Regrouping

100

123 + 156

279

200

248 + 173 =

421

300

365 + 287 =

652

400

479 + 356 =

835

500

586 + 497 =

1,083