Expressions and Equations Review

Math Vocabulary

100

What is it called to simplify an expression by grouping numbers and variables?

Combining Like Terms

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers found on a number line.

Integers

400

Another word for the letters used in expressions and equations.

Variable

500

Name of the type of math where numbers and symbols are used to formulate expressions and equations.

Algebra

600

In a two step equation what is (almost) always your first step? 

Add or Subtract.

One-Step Equations

100

4 = -8 + x

x= 12

200

x + 12 = 0

x= -12

300

122 = -2x

x= -61

400

-5x = -80

x= 16

500

-16 = x/2

x= -32

600

w/4 = -8

w = -32

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

(x/2) +10=-8

x= -36

400

(x/2)-4=10

x= 28

500

(x/3)+12=-3

x= -45

600

25 = 1/4n - 3

n = 112

Simplifying Expressions

100

3x+4x-8-x

6x-8

200

4(3x+2)

12x+8

300

2(x+5)-3+9x

11x+7

400

4x-3(2x-5)+6

-2x+21

500

9-5(4-x)-8x

-3x-11

600

What two things must be true in order for an expression to be simplified?

There must be no parentheses and no like terms.

Choose Wisely

100

What is the name of one of the NBA teams located in California?

Lakers, Warriors, Kings, Clippers, 

200

This is the country where the Eiffel Tower is

France

300

The shape with six sides

Hexagon

400

The capitol of North Carolina

Raleigh

500

This is the chemical symbol for water.

H20

600

What is the name of the toy cowboy in Toy Story?

Woody