Expressions and Equations

Vocabulary

100

This type of math problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

the word product is the answer to what type of problem

multiplication

400

Another word for the letters used for unknown numbers in expressions and equations.

Variable

500

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

HINT: YOU WILL LEARN THIS IN 8TH GRADE

THIS IS WORTH DOUBLE POINTS

Algebra

THIS IS WORTH DOUBLE POINTS

Two Step Equations

100

2x + 1 = 5

x=2

200

x/3-4=11

x=5

300

-2x-5=-11

x=3

400

5(3-x) = 30

THIS IS WORTH DOUBLE POINTS

x=-3

THIS IS WORTH DOUBLE POINTS

500

14x + 2(x - 5) - 10=-4

x=-1

One step equations

100

x/10 = 3

THIS IS WORTH DOUBLE POINTS

30

THIS IS WORTH DOUBLE POINTS

200

8x = -64

-8

300

x + 5 = - 9

-14

400

x - 8 = -10

-2

500

20 = x + 4

16

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

Simplify

-4 (m + 9)

THIS IS WORTH DOUBLE POINTS

-4m - 36

THIS IS WORTH DOUBLE POINTS

300

Simplify:

3x - 9x

-6x

400

Simplify:

10x + 7 -4x-(-15)

6x + 22

500

Simplify:

9 + 7x - 11 - 12x

-5x - 2

Mixed Review

100

Simplify 2b + (-4b) - 10 + 6

-2b - 4

200

2 - 10 + 2(15)

22

300

Simplify 10 + 2b + 8b - 6

THIS IS WORTH DOUBLE POINTS

10b + 4

THIS IS WORTH DOUBLE POINTS

400

solve

54 = -9x

-6

500

Solve: 

-3x = -18

6