Unit Review

Terms and Definitions

100

A letter used in a math problem to represent an unknown value.

What is a variable

200

Name given to any number in a math problem

What is a constant?

300

The four operations in math problems.

What are add, subtract, multiply, divide 

400

A number attached to a variable.

What is the coefficient.

500

A math expression involving unequal sides.

What is an Inequality?

Simplify

100

6-2x+5+4x

2x+11

200

4(4x)+5+2x

18x+5

300

22-6x-3x-25

-9x-3

400

2(x+4)+5

2x+13

500

x-3x+25+13+5x

3x+13

Solve

100

3x+2=23

x=7

200

25+3x=26

x=1/3

300

25x=100

x=4

400

-5x+3=18

x=-5

500

6x+16=2x+24

x=2

Equivalent FractionsTrue/False

100

1/2=3/6

True

200

2/3=4/6

True

300

25/100=1/4

True

400

16/16=14/14

True

500

5/6=10/12

True

PercentsTrue False

100

50% =1/2

True

200

4/5=80%

True

300

75%=2/3

False

400

60%=6/10

True

500

60%=6/10=0.6

True