Practice AIR Test 3

An expression is shown.

6n

What is the value of the expression when n=7?

• 67

• 13

• 42

• 48

A rectangular flag has a width of 3 2/3 feet and an area of 8 3/4 square feet.

Which expression could be used to calculate the length, in feet, of the rectangle?

• 3 2/3 ÷ 8 3/4

• 3 2/3 × 8 3/4

• 8 3/4 ÷ 3 2/3

• 8 3/4 × 3 2/3

Casey has a total of 18 pens. Twelve of these pens are blue, and the rest are red.

What is the ratio of blue pens to red pens?

• 1:2

• 2:1

• 2:3

• 3:2

An expression is shown.

12.395 - (2.24 ⋅ 3.9)

What is the value of the expression?

• 39.60

• 3.66

• 6.26

• 108.28

A school earns $70 from selling 50 tickets for the school play. Each ticket costs the same price.

How much does the school earn for 1 ticket?

• $0.71

• $1.40

• $7.50

• $2.00

Eli ran for two weeks. During the first week, Eli ran 12 miles. During the next week, he ran 15 miles.

What is the ratio of the number of miles Eli ran in the first week to the total number of miles he ran in both weeks?

• 12:15

• 12:27

• 15:27

• 15:12

An expression is shown.

7525 ÷ 35

What is the value of the expression?

• 215

• 21.5

• 213

• 7490

An expression is shown.

5n

Which word describes the 5 in the expression?

• coefficient

• exponent

• product

• sum

Lee records the height of players on a basketball team, and calculates the mean absolute deviation of the set of data.

What does the mean absolute deviation of the set of data describe?

• the average height of a player on the team

• the height of the tallest player on the team

• the difference in height between the shortest and tallest player

• the average difference in height between each player and the mean height

An inequality is shown.

2x - 5 < 33

Select all the values that are solutions to this inequality.

• 28

• 26

• 19

• 18

• 12