Rational Numbers Review

Fractions and Decimals

100

Compare these rational numbers. Use >, <, or =

5 1/2    5 2/3

5 1/2  <  5 2/3

200

Convert these fractions to their decimal values.

6 1/10

6.1

300

Convert this fraction to its decimal value. 

WRITE FRACTIONS IN SIMPLEST FORM.

3/8

.375

400

Convert these repeating decimals to fractions. 

WRITE FRACTIONS IN SIMPLEST FORM.

0.21

21/100

500

Worth double points!

Identify each number as RATIONAL or NOT RATIONAL

12,            1/8,              3.141529..........

1. Rational

2. Rational

3. Irrational (does not terminate or repeat)

Adding & Subtracting Rational Numbers

100

Add these rational numbers. 

-12.4 + 8.39

-4.01

200

Add these rational numbers. 

-3 1/3 + 2 1/2

-5/6

300

Subtract these rational numbers.

-23.01 - 8.2

-31.21

400

Subtract these rational numbers.

-5/6-(-4/5)

-1/30

500

Add these rational numbers. 

2/3 + 3/4

1 5/12

Multiplying and Dividing Rational Numbers

100

Multiply rational numbers 

(Simplify any FRACTION answers)

0.4 * 5.6

2.24

200

Multiply rational numbers (Simplify any FRACTION answers)

-3 2/3*(-1 1/2)

11/2 or 5 and 1/2

300

Divide rational numbers (Simplify any FRACTION answers)

1/2 ÷ 3

1/6

400

Divide rational numbers (Simplify any FRACTION answers)

-9 9/10 ÷ (-2 3/4)

3 3/5

500

Multiply rational numbers (Simplify any FRACTION answers)

2.3*(-1.4)*1

-3.22

Bonus Questions

100

Convert these fractions to their decimal values.

2/3

0.hat6

200

Add these rational numbers. (Simplify any FRACTION answers)

7 2/5 + (-5 1/3)

2 1/15

300

Divide rational numbers (Simplify any FRACTION answers)

4 ÷ (-1.6)

- 2.5

400

Evaluate this expression

(-7)(2)(-3)(-5)

-210

500

 Compare these rational numbers. Use >, <, or =

-10 3/4 -10.75

-10 3/4 = -10.75

Integers

100

14 - 25

-11

200

-2 - (-8)

6

300

-14 - 21

-35

400

-7 + 6 -(-8)

7

500

18 + (-6)

12