Subtraction
addition
subtraction with regrouping
Addition with regrouping
multiplication
100

51-20

31

100

436+123

460

100

35-17

18

100

 32+94

126

100

971x3

2,913

200

98-50

48

200

70+96

166

200

24-15

9

200

81+35

116

200

550x7

3,850

300

72-10

62

300

70+29

99

300

33-25

8

300

69+73

142

300

648x2

1,296

400

52-40

12

400

80+82

162

400

93-58

35

400

81+49

130

400

751x6

4,506

500

97-52

45

500

987+462

1,449

500

82-57

25

500

485+938

1,423

500

809x9

7,281

M
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