Unit 5 Review

Add / Subtract Integers

100

8  +  (-3)

5

200

-45  +  (-43)

-88

300

23  -  71

-48

400

-35  -  (-86)

-121

500

Let x=(1/4) and y=(2/5). What is x + y?

13/20

Multiply / Divide Integers

100

(5)(-4)

-20

200

-16

4

-4

300

(-14)(-5)

70

400

(6)(-4/5)

-24/5 or 4.8

500

(-8)(-3)

(-2)

-12

Add / Subtract Rational Numbers

100

-2/3  +  1/3

-1/3

200

-0.4  +  1.8

1.4

300

- 11.3 +7.4

-3.9

400

-3/20  -  (-5/8)

19/40

500

-0.5  -  (-0.1)

-0.4

Multiply / Divide Rational Numbers

100

(-3/5)(2/3)

-2/5

200

(1.2)(-0.3)

-0.36

300

(-5/6) 

(-5/12)

2

400

(-2.5)(13)

-32.5

500

(4/3) / (-2/5)

(-5/3)(-3)

2/3

RANDOM

100

True or false. An absolute value's answer can be negative.

What is false?

200

These two fractions have a product of  -9/20.

Multiple responses.

One example:  What are  -3/5 and 3/4?

300

What is another word for distance?

What is absolute value?

400

The product of thirty-five negative integers and twenty-three positive integers is ALWAYS, SOMETIMES, or NEVER positive.

What is NEVER?

500

A bird is 20 feet above sea level. A fish is 30 feet below sea level. What is the difference in height from the bird to the fish?

-50