7th Grade Expressions and Equations

Properties

100

Which property is shown below?

2x+5=5+2x

Commutative Property of Addition

200

Which property says that the product of a term and its reciprocal is 1?

Inverse Property of Multiplication

300

Which property is shown below?

c+(-c) = 0

Inverse Property of Addition

400

Which property says that the grouping of factors can be changed without affecting the product?

Associative Property of Multiplication

500

Which property is shown below?

1(x) = x

Identity Property of Multiplication

Distributive Property and Factoring

100

Simplify. 

2(x-7)

2x-14

200

Simplify. 

-3(x-9)

-3x+27

300

Factor.  

8x-30

2(4x-15)

400

Factor. 

-10x-35

-5(2x+7)

500

Factor. 

9x-15y+18

3(3x-5y+6)

Simplifying Expressions

100

7x+8-3x+5

4x+13

200

2x-7(3x+5)

-19x-35

300

5(x-3)-2(x-9)

 

3x+3

400

(4x-8) + (9x+2)

13x-6

500

(10x-3)-(4x+6)

6x-9

Equations

100

Which operation should be used to solve this equation?

6-x=-8

subtraction

200

Which operation should be used to solve this equation?

-2x=24

division

300

True or False?  When solving a two-step equation, you always perform multiplication or division first. 

False

400

Solve.  

-4x+13=41

x=-7

500

7x-2(x+5)=-40

x=-6