Mental Math
Addition
Subtraction
Multiplication
Division
100

300 × 8

2400

100

7+2

9

100

8-5

3

100

3 × 2

6

100

8÷4

2

200

120÷5

24
200

8+7

15

200

11-5

6

200

10 × 5

50

200

20÷5

4

300

180÷18

10

300

21+5

26

300

29-10

19

300

18 × 9

162

300

125÷25

5
400

2000 × 500

1,000,000

400
80+12

92

400

90-28

62

400

13 × 15

195

400

91÷13

7

500

600 × 30

18000

500

567+90

657

500

120-61

59

500

28 × 16

448

500

154÷7

22

M
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