7th STAAR Math Review

Raymond has a collection of with the following types of movies:

* 8 drama

* 10 action

* 2 romance

Raymond will randomly choose a movie. What is the probability that he will choose a romance or an action movie?

• 12/20

• 6/10

• 3/5

• 1/2

Raymond has a collection of with the following types of movies:

* 8 drama

* 10 action

* 2 romance

If Raymond draws once then puts it back and then draws again, what is the probability that he will get a drama and then a action movie?

• 8/40

• 1/5

• 3/4

• 3/10

If a triangular prism has a base with a height of 15cm and a base of 5cm, with an overall height of 3cm. What is the volume of the prism in cubic centimeters?

• 112.5

• 150

• 75

• 225

What is the value of x in the following model?

2x + 1 = - 5

• 3

• 2

• -2

• -3

Robert drew a map of his trip to visit a friend. The scale he used for the map shows that 7 inches represents 100 miles. The distance on the map is 10 inches. What is the actual distance to Robert’s friend’s house?

• 147.28

• 142.86

• 147.42

• 143.75

Mrs. Martinez pays $15.50 for 3.1 pounds of taffy. What is the price per pound?

• $18.60

• $5.00

• $12.40

• $6.25

Eric’s salary increased from $1200 to $1800. By what percentage did his salary increase?

• 50%

• 80%

• 25%

• 40%

What is the value of x in the equation?

73 = -5x - 2

• 9

• -9

• -15

• 15

The radius of the plate is 8 inches. What is its circumference?

• 28.26

• 50.24

• 25.12

• 200.96

1. Christopher mows lawns for 50 houses.

· During the 1^st week, Christopher mows lawns for 50% of the houses.

·During the 2^nd week, Christopher mows lawns for of the houses.

· The remaining lawns are moved during the 3^rd week.

How many lawns does Christopher mow during the 3^rd week?

• 7

• 5

• 4

• 10