Math Review

Multiply Fraction

100

1/3 x 2/5

2/15

200

3/8 x 4/9

12/72

300

1 2/3 x 3/7

15/21

400

2 1/2 x 1 3/5

40/10=4

500

3 3/7 x1 1/2

72/14

Divide Fractions

100

3/4 : 1/3

9/4

200

1/2 : 2/5

5/4

300

1 2/3 : 3/8

40/9

400

3/5 : 2/7

21/10

500

2 1/2 : 1 3/8

40/22

+ and -

100

5 x(-4)

-20

200

-12 / (-2)

6

300

-7 x (-8)

56

400

-36 /9

-4

500

-12 x4

-48

Multiply Decimal

100

1.2 x (-3)

-3.6

200

-0.35 x(-7)

2.45

300

-1.4 x (-2.5)

3.5

400

-5.2 x 0.36

-1.872

500

-63 x (-7.8)

491.4

Divide decimals

100

1.32 / (-2)

-0.66

200

-7.45 /(-0.5)

14.9

300

-22.8 / (0.6)

38

400

-0.648 / (-1.2)

0.54

500

52.5 / (-0.25)

-210