Rational Numbers

Add/Subtract Fractions

100

1/5+(-3)/5

-2/5

200

(-4)/9-(-1)/9

-1/3

300

-3/4+2/5

-7/20

400

2/3-(-1)/9

7/9

500

(-4)/5-1/8

-37/40

Multiply/Divide Fractions

100

2/5*1/7

2/35

200

-3/8*5/6

-5/16

300

2/3-:-4/5

-5/6

400

-3/8-:-3/5

5/8

500

-6/7-:-3/14

4

Add/Subtract Decimals

100

10.8-(-3.65)

14.45

200

6.7+(-12.04)

-5.34

300

-3.18-(-15.2)

12.02

400

7.15-19.3

-12.15

500

-8.35-(-2.6)

-5.75

Multiply/Divide Decimals

100

-3.7*6.5

-24.05

200

12.3*(-2)

-24.6

300

(-15.82)-:(-0.4)

39.55

400

(-7.716)-:1.2

-6.43

500

9.87-:(-0.15)

-65.8

Converting Between Forms

100

Turn the fraction into a decimal.

2/5

0.4

200

Turn the decimal into a percent.

0.7

70%

300

Turn the percentage into a fraction. Make sure you simplify!

35%

7/20

400

Turn the decimal into a fraction. Make sure you simplify!

-0.38

(-19)/50

500

Turn the fraction into a percentage.

(-8)/25

-32%

Ordering Rational Numbers

100

Put the following numbers in order from least to greatest.

4/5, 0.95, 20%, 1/4. 0.75

20%, 1/4, 0.75, 4/5, 0.95

200

Put the following numbers in order from least to greatest.

48%, -1/3, 2/5, 0.6, -25%

-1/3, -25%, 2/5, , 48%, 0.6

300

Put the numbers in order from least to greatest.

85%, 0.15, 1/10, -0.5, -4/5, 125%

-4/5, -0.5, 1/10, 0.15, 85%, 125%

400

Put the numbers in order from least to greatest.

-35%, 3/5, 0.75, 1/5, -2/5, 1, 7/9, 0

-2/5, -35%, 0, 1/5, 3/5, 0.75, 7/9, 1

500

Put the numbers in order from least to greatest.

10%, -3/4, 0.5, -30%, 0, 4/9, -2/3, -1, 3%, 1/20

-1, -3/4. -2/3, -30%, 0, 3%, 1/20, 10%, 4/9, 0.5