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100

Mental Math

20-10

10

100

MENTAL MATH

37 + 68 = ? 

105

100

MENTAL MATH 

2 x 12

24

100

136/4

34

200

501 - 60

441

200

345,134 + 56,134 = ? 

401,268

200

50 x 2

100

200

42 / 6

7

300

Mental Math

60 - 30 = 

30

300

MENTAL MATH

98 + 499 = ? 

597

300

5676 x 5 = ?

28,380

300

40 / 5

8

400

54,642-318

54,324

400

900 + 211

1111

400

4 x 7 =

28

400

45 / 9

5

500

562-191

371

500

MENTAL MATH

155 + 245 = ? 

400

500

345 x 5 =

1725

500

100 / 5

20