Ms. Schulz's Chapter 3 Review

One Step Equations

100

 x - 6 = -2

4

200

x + (-2) = 5

7

300

x - 7 = -1

6

400

-25 = x -50

25

500

-7 + x = -9

-2

One Step Equations

100

x-5 = 8

13

200

-3 + x =10

13

300

x+5=20

15

400

x-8=15

23

500

x+2=12

10

Integers

100

2-8

-6

200

-2+5

3

300

-4-5

-9

400

-3-8

-11

500

10-12

-2

Integers

100

2+(-3)

-1

200

4-(-8)

12

300

-6+(-7)

-13

400

4+(-7)

-3

500

-2+(-9)

-11

Mixed Bag

100

Translate the following into an expression or equation.  Use x for the variable.

5 more than a number is 12

x + 5 = 12

200

Expression or equation:  7 less than 4

expression

300

The product of a number and 7 is 42

7x = 42 or 7*x=42

400

What property of addition is this example?

8 + (-8) = 0

Additive Inverse

500

Evaluate

| -4 - 12 | = 

|-16| = 16