Expressions and Equations

Distributive Property

100

Distribute    3(x+4)

3x+12

200

Distribute 6(2y+4)

12y+24

300

Distribute 8(3x-2y)

24x-16y

400

Distribute x (2+y)

2x+xy

500

Distribute 2(y+3n-5)

2y+6n-10

Combining Like terms

100

x+2x+x=

4x

200

2x+5x+y+3y=

7x+4y

300

7x+2y+x+5y+2x=

10X+7y

400

2x+5y+3x+7+x+2+8y=

6x+13y+9

500

x+2x+3x+4x+5x+6x+7x=

28x

One-step Equations

100

4+n=12, What is n?

n=8

200

15-n=2, what is n?

n=13

300

5n=45, what is n?

n=9

400

n/3=4, what is n?

n=12

500

3.5 + n= 6.9, what is n?

n=3.4

Inverse Operations

100

What is the opposite of addition?

Subtraction

200

What is the inverse of subtraction?

Addition

300

What is the inverse of multiplication?

Division

400

What is the inverse of division?

Multiplication

500

Write a definition for inverse operation.

An inverse operation is the opposite operation.

Vocabulary

100

What do we call the answer to an addition problem?

sum

200

What do we call a letter in a math problem?

A variable

300

What do we call a number that divides a number evenly?

Factor

400

What is () called?

parenthesis

500

What is the distance around a shape called?

perimeter