Math Review

Addition

100

523 + 98 =

621

200

5 + 0.34 =

5.34

300

8.93 + 7.2 =

16.13

400

2/6 + 3/6 = 

5/6

500

1   3/4 + 2   1/5 = 

7/4  +  11/5

35/20 + 44/20

79/20 = 3   19/20

Subtraction

100

1,034 - 98 = 

936

200

9.2 - 5.31 = 

3.89

300

6 - 2.3 =

3.7

400

8/9 - 5/9 = 

3/9 = 1/3

500

1   2/3 - 7/8 = 

5/3 - 7/8

40/24  -  21/24

=19/24

Multiplication

100

624 x 35 = 

21,840

200

12 x 5.2 = 

62.4

300

7.23 x 7.9 = 

57.117

400

8/10 x 2/3 = 

16/30 = 8/15

500

4   1/2 x 3   2/3 = 

9/2 x 11/3

99/6

16   3/6  =  16  1/2

Division

100

78 / 4 = 

19  2/4 = 19  1/2

200

7.2 / 3

2.4

300

84 / 0.21 =

400

400

8 /  1/3 =

8 x 3

=24

500

1/9   /  7

1/9 x 1/7 

=1/63