Order of Operations

Vocabulary

100

A mathematical statement that says two things are _____.

equal

200

An equation always has an ____ sign.

equal

300

Finding the value of a _____.

Variable

400

To solve an equation, use the ____ (opposite operation)

inverse

500

If you do something to one side of an equation, you must: ______.

do it to the other side

Rules

100

What do you do first?

add or subtract

200

After you add or subtract you ___.

multiply or divide

300

You solve using the order of operations in _____ order.

reverse

400

When there are like terms you must ____ them before continuing. 

combine

500

Explain the exception:

x+1 / 2 = 5

Multiply by the two first, then subtract the 1

One Step Equations

100

x + 2 = 7 

x = 5

200

x - 4 = 10

x = 14

300

3x = 21

x = 7

400

10 = 5x

x = 2

500

3 = x/2

x = 6

Two Step Equations

100

15 = 5x - 10

 x = 5

200

2 - 6x = 14

x = -2

300

4x = 16 + 2x

x = 8

400

5x = 24 + 3x

x = 12

500

x-4 / 2 = 9

x = 22

Multi Step Equations

100

-20 = -4x-6x

2

200

6 = 1-2n+5

0

300

7 - 2x = 3

x = 2

400

4x+5 = 3x+12

x =7

500

5x-2 = 3x+6

x = 4