Subtraction
Addition
Multiplication
Round to the nearest 10
Round to the nearest 100
100

12 - 8

4

100

26 + 6

32

100

2 x 5

10

100

18

20

100

128

100

200

64 - 31

33

200

34 + 25

59

200

8 x 3

24

200

46

50

200

266

300

300

252 - 131

121

300

374 + 524

898

300

5 x 9

45

300

82

80

300

848

800

400

525 - 214

311

400

561 + 249

810

400

9 x 7

63

400

321

320

400

1,543

1,500

500

4,824 - 1,615

3,209

500

1,486 + 1,153

2,639

500

8 x 7

56

500

846

850

500

5,784

5,800

M
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