Expressions and Variables Review

Integer Operations

100

Simplify: 

8+ -4

4

200

Simplify: 

-5--1

-4

300

Simplify: 

-5*-3

15

400

Simplify: 

6--2

8

500

Simplify: 

7+4-6+1

6

Order of Operations

100

Simplify: 

7*2*2/4

7

200

Simplify: 

(4+2)-6

0

300

Simplify: 

3^2-7*5

-26

400

Simplify: 

4-sqrt25*2-2

-8

500

Simplify: 

7+4^2*7-sqrt36

113

Identify Variables, Constants, and Coefficients

100

Identify the variable: 

2x-5

x

200

Identify the coefficient: 

2x+5

2

300

Identify the coefficient: 

x+9

1

400

Identify the constant: 

x+9

9

500

Identify the constant: 

2x-5

-5

Translating Expressions

100

Translate: five more than a number, x

x+5

200

6 more than a number x

x+6

300

Twice a number p

2p

400

A worker earns $15 per hour. Write an expression for the total earning after h hours. 

15h

500

A total of c cookies is divided among 10 children. Write an expression for the number of cookies each child gets. 

c/10

Combining Like Terms

100

Simplify: 

7+4-6

5

200

Simplify: 

8m-5m

3m

300

Simplify: 

6x-5x+6

x+6

400

Simplify: 

9p+7-5p-5

4p+2

500

Simplify: 

8a+6x+7-5x+2a+1

10a+x+8

Evaluating Expressions

100

Evaluate: 

3x-1

x=2

5

200

Evaluate:

4xy+z

x=2

y=3

z=4

28

300

Evaluate: 

c^2-1

c=2

3

400

Evaluate: 

2x+x^2

x=-1

-1

500

Evaluate: 

x^3+2x+1

x=-2

-11