Math Review

Expressions and Equations

100

This expression is equal to 5 × (2 + 3).
A. 5 + 2 × 3
B. 5 + 2 + 3
C. 5 × 2 + 3
D. 5 × 5

What is D: 5 × 5?

200

This is the algebraic expression for “7 more than the product of 4 and x.

What is 4x + 7?

300

This equation matches the sentence: “Three times a number increased by 4 is 19"

A. 3x − 4 = 19
B. 3x + 4 = 19
C. x + 3 + 4 = 19
D. 3 + x + 4 = 19

What is B: 3x + 4 = 19?

400

This is what you get when you solve the equation 2x + 5 = 17

What is x = 6?

500

This expression is equivalent to 4(x + 3) − 2x.

A. 4x + 12 − 2x
B. 2x + 3
C. 2x + 12
D. 2x + 3x + 12

What is C: 2x + 12?

Decimal and Fractions

100

This fraction is equal to the decimal 0.75.

A. 3/4
B. 2/3
C. 7/10
D. 1/2

What is A: 3/4?

200

This is the simplified fraction form of 1.2

What is 6/5?

300

This is the product of 4.5 and 0.2.

A. 9.0
B. 0.9
C. 0.45
D. 1.8

What is B: 0.9?

400

This is the result of dividing 7.2 by 0.3.

What is 24?

500

This number is the greatest.

A. 0.87
B. 7/8
C. 0.875
D. 87%

What is D: 87%?

Ratios and Percents

100

This is the correct way to write the ratio of 2 cats to 5 dogs.

A. 5:2
B. 2:5
C. 2 + 5
D. 7:1

What is B: 2:5?

200

This is the ratio of red to blue marbles if there are 3 red and 9 blue.

What is 1:3?

300

This is 25% of 60.

A. 15
B. 30
C. 25
D. 10

What is A: 15?

400

This percent of a class are girls if there are 12 boys and 18 girls.

What is 60%?

500

You scored 18 out of 24 questions correctly on a quiz. What percent did you get right?

A. 65%
B. 70%
C. 75%
D. 80%

What is C: 75%?

Algebraic Thinking

100

This is the value of x + 3 when x = 4
A. 7
B. 12
C. 1
D. 8

What is A: 7?

200

This is the value of 2x − 6 when x = 10.

What is 14?

300

This rule matches the input-output table:

Input    1     2    3     4   

Output  5    7    9    11

A. x + 4
B. 2x + 3
C. x + 3
D. 2x + 1

What is B: 2x + 3?

400

This is the expression for the nth term in the pattern 3, 6, 9, 12...

What is 3n?

500

This is the value of x that makes the inequality 3x − 4 < 11 true.

A. 6
B. 5
C. 4
D. 3

What is B: 5?

Positive and Negative Numbers

100

This number is the opposite of -7.
A. -7
B. 0
C. 7
D. -1

What is C: 7?

200

This is the absolute value of -12.

What is 12?

300

On a number line, which number is farthest to the left?
A. -3
B. 0
C. -5
D. 2

What is C: -5?

400

Compare using >, <, or =: |−4| ___ |3|

What is >?

500

Which expression has the greatest value?
A. –|–8|
B. |–8|
C. –8
D. –(–8)

What is D: –(–8)?