Quiz Review: Adding and Subtracting Integers and Absolute Value

Vocabulary

100

The set of whole numbers and their opposites

Integers

200

The distance between a number and zero on the number line

absolute value

300

Two numbers that are the same distance from zero, but on different sides of zero on the number line. 

Opposites or Additive Inverses

400

Another name for opposite

Additive Inverse

500

Explain what the Additive Inverse Property states.

The sum of an integer and its additive inverse, or opposite is 0.

Absolute Value

100

l 6 l

6

200

l -8 l

8

300

- l 14 l

-14

400

- l -85 l

-85

500

Give all possible values for x, if l x l = 25?

25 and -25

Comparing/Ordering

100

Complete the statement using <, >, or =

-34 ____ -25

<, is less than 

200

Complete the statement using <, >, or =

 l 7l ____ -7

>, is greater than

300

Complete the statement using <, >, or =

- l 19l ____  l -25l 

<, is less than

400

Order from least to greatest:

100 , - l 2l, -16, l 31l,  0,  l- 11l

-16, - l 2l, 0,  l- 11l, l 31l, 100  

500

Order from least to greatest:

l- 78l , - l 99l, -7, 25,  - l -23l

- l 99l, - l -23l, -7, 25,  l- 78l

Adding Integers

100

-6 + -13

-19

200

17 + (-16)

1

300

-12 + 5

-7

400

Evaluate the expression when a=9, b=-2, and c=-14

a + b + (-9)

a + b + (-9)

9 + (-2) + (-9)

-2 + 9 + (-9)

-2 + 0

-2

        

500

Evaluate the expression when a=9, b=-2, and c=-14

-b + c

-(-2) + (-14)

     2 + (-14) = -12

Subtracting Integers

100

4 - 11

-7

200

-4 - 6

-10

300

15 - (-7)

22

400

-27 - (-3)

-24

500

Evaluate the expression when a=9, b=-2, and c=-14-

l a - 11 - c l  

l a - 11 - c l

l 9 - 11 - (-14) l 

l 9 + (-11) + 14 l 

l 12 l 

12