End of Semester!

Fractions

100

1/2 +1/2=

1

200

1/4 x 1/4

1/8

300

3/4 divided by 3

3/12 or 1/4

400

1/5 - 2/10

0

500

7/8 divided by 1/3

21/8 or 2 5/8

Integer Operations

100

1-(-4)

5

200

-10+(-17)

-27

300

-8 x -3

24

400

-55/5 x -1

5

500

-4³

-64

Expressions

100

What is the difference between an expression and an equation?

An expression does not contain an equal sign, while an equation does.

200

Simplify the following: 5x + 4x

9x

300

Simplify the following: 7x + 4x +3

11x +3

400

Simplify the following: 16x-19x-14

-3x-14

500

Write an expression to represent the following: Olivia pays $35 a month for her phone bill, plus $2.50 per gigabyte she uses.

2.5x+35

Solving Equations

100

x+1=2

x=1

200

a+10=4

a=-6

300

7w+10=31

w=3

400

8y+2y+10=40

y=3

500

16p/4p + 16-12=8

p=1

Vocabulary

100

What is a constant?

A number that does not change

200

What is a coefficient?

The number being multiplied to the variable

300

Which is the variable?

8z+(17-30)

z

400

How many terms does the following expression have?

6x+3y+6

3

500

Label each of the following correctly:

3u-13=30

3=coefficient 

u=variable

13=constant

30=solution