Operations with Positive & Negative Numbers

Absolute Value

100

|4|

4

200

|-27|

27

300

|3.2| - 1

2.2

400

|x| = 15. What are the two possible values of x?

15 or -15

500

|-27| + |-4| + |8|

39

Adding and Subtracting

100

4 - 9 = 

-5

200

(-6) - 5 = 

-11

300

(-4) - (-7) = 

3

400

5 - 8 - (-5) = 

2

500

4 - x - 13 = 6

What is the value of x?

-15

Multiplying and Dividing

100

-5 x 4 = 

-20

200

-7 x -10 = 

70

300

-4 x |-5| = 

-20

400

(-12) x R x (-2) = -24

What is the value of R?

-1

500

14 x (-2) x (-5) = 

140

Equations & Inequalities

100

Write the inequality AND fill in the blank with <, >, or =

-7 ___ |-7|

-7 < |7|

Less than

200

8x = 48 -- What is the value of x?

6

300

Solve for s.  234 + s = 312

s = 78

400

Identify a number that will make the inequality correct:

|-4| < ____ < (-2 x -3)

Example: 5

**Any number GREATER than 4 and LESS than 6**

500

Solve for y:  2/3y = 32

y = 48

Anything and Everything

100

True or False: -4 - (-5) is negative

False

-4 - (-5) = 1

200

-3^{2 =} 

9

300

Solve for y:  ¹/₄ y = 4

y = 16

400

-5³ = 

-125

500

Calculate: |-7| x -2³ x |3|

168

7 x 8 x 3 = 56 x 3 = 168