Multiplication
Division
Rounding by 10s
Adding
Subtracting
100

2 x 3

6

100

100 divided by 10

10

100

76

80

100

22 + 32

54

100

20 - 14

6

200

10 x 4

40

200

6 divided by 2

3

200

542

540

200

102 + 56

158

200

780 - 620

160

300

3 x 4

12

300

12 divided by 3

4

300

21

20

300

234 + 173

407

300

369 - 234

135

400

5 x 8

40

400

70 divided by 10

7

400

45

50

400

296 + 93

389

400

400 - 364

36

500

9 x 9

81

500

56 divided by 7

8

500

99

100

500

365 + 277

642

500

354 - 263

91

M
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