Module 0 Course 3

Adding & Subtracting Rational Numbers

100

Add these rational numbers. 

-12.4 + 8.39

-4.01

200

Add these rational numbers. 

2/3 + 3/4

1 5/12

300

Add these rational numbers. 

-3 1/3 + 2 1/2

-5/6

400

Subtract these rational numbers.

-23.01 - 8.2

-31.21

500

Subtract these rational numbers.

-5/6-(-4/5)

-1/30

Multiplying and Dividing Rational Numbers

100

Multiply rational numbers 

(Simplify any FRACTION answers)

0.47 * 5.6

2.632

200

Multiply rational numbers (Simplify any FRACTION answers)

2.3*(-1.4)*1.1

-3.542

300

Multiply rational numbers (Simplify any FRACTION answers)

-5 2/3*(-1 1/2)

8 1/2

400

Divide rational numbers (Simplify any FRACTION answers)

1/2 ÷ 3

1/6

500

Divide rational numbers (Simplify any FRACTION answers)

-9 9/10 ÷ (-2 3/4)

3 3/5

Order of Operations with Integers

100

(13-8)²-14

11

200

36÷(12-4²)+7

-2

300

5(4+2³)-9·6

6

400

(9-7)[6²÷(7-10)]

-24

500

4(8-3·5)-(4²-11)

-33

Solving Equations

100

Convert these fractions to their decimal values.

2/3

0.hat6

200

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

-10 3/4 + x = 10.75

x = 21.5

300

Add these rational numbers. (Simplify any FRACTION answers)

12 2/5 + x = 7 1/15

x = (-5 1/3)

400

Divide rational numbers (Simplify any FRACTION answers)

x/3 = 3/8

1 1/8

500

Evaluate each expression using the order of operations. 

2/3*y = -5

-7 /1/2