Unit 1 Test Review

14 - 29

• 15

• -43

• -15

• 43

What number is the opposite of -7?

• 0

• -7

• 7

• 10

An integer is...

• A whole number that can be positive, negative, or zero
• A number and its opposite
• All positive and negative numbers
• a number that is fractions, decimals, or whole

The absolute value of a number is the distance from zero to the number.

• True
• False

What is the absolute value of | –3 |

• 3
• -3
• 0.30
• 30

Evaluate: - | –25 |

• -25

• 1

• 25

• -26

-22 + (-9)

• -11
• -31
• 11
• 31

-5 - (- 3)

• -8
• 8
• -2
• 15

Simplify: -30 - (-40)

• 70

• 10

• -70

• -10