Unit 5: Positive and Negative Number Review

Adding/Subtracting

100

-12 + 25

13

200

6 - (-14) + (-9)

11

300

Solve for x: 

x + (-37) - 18 = 42

97

Multiplication/Division

100

-7 x 6 / 3

-14

200

A submarine dives 25 feet per minute for 8 minutes. How far below sea level is it?

–200 feet

300

Solve for x: 

x/-4 = 7

-28

All Operations

100

18−3²+4

13

200

8 (4 - 1)² - 10 / 5

70

300

Game points: –4 per wrong, +7 per correct. Player answers 5 correct, 3 wrong. Score?

23

ALWAYS TRUE / SOMETIMES TRUE / NEVER TRUE

100

The sum of two negative numbers is negative.

Always True

200

Dividing by a number less than 1 increases the value.

Sometimes true

300

If two expressions have the same value, they are written in the same form.

Never true

Math Trivia

100

What is the only even prime number?

2

200

Absolute value of a number is never negative. True or False?

True

300

Which mathematician is known as the “Father of Geometry”?

Euclid