7th STAAR Math Review

. If Michelle rollerblades around a circular track with a radius of 80 meters, how far does she skate? Use 3.14 for π. Round to the nearest tenth. 

• 80 x 80 x 3.14
• 80 x 2 x 3.14
• 80 x 3.14
• 80 / 2 x 3.14

A sprinter runs 400 meters in 54 seconds. What is the runner’s average running rate in meters per second? Round to the nearest tenth. 

• 400 + 54
• 400 x 54
• 400 / 54
• 400 / 54 x 2

A jar contains 3 pennies, 5 nickels, 4 dimes, and 6 quarters. If a coin is selected at random, what is the probability of selecting a penny? 

• 5/18
• 2/9
• 1/3
• 1/6

The net for a cube is shown. What is the total surface area of the cube?

• 3.5 X 3.5 X 6
• 3.5 X 12
• 3.5 + 3.5 X 6
• not here

Which expression is equivalent to the algebraic expression below?     3(–2x – 1)

• x+2
• x-1
• -6x-3
• -6x-1

A total of 30 mothers baked cakes for a bake sale. Each mother baked 2 cakes. The bake sale director found 35% of the cakes were chocolate. How many chocolate cakes were made for the bake sale

• 30 x 2 x .35
• 60 x 35
• 30 / .35
• 60 / 35

 A class of 26 students bought a present for their principal.  The present cost $119.60, tax included. How much did each student contribute if the class shared the cost equally?

• 119.60 x 26
• 119.60 + 26
• 119.60 / 26
• 119.60 - 26

A bicycle tire has a diameter of 26 inches. Which is closest to the distance the tire will travel in one complete revolution?

• 26 x 3.14
• 26/2 x 3.14
• 13 x 13 x 3.14
• 13 x 2 / 3.14

Which situation represents a constant rate of change of 50 miles per hour?

• 100 miles in 3 hours
• 180 miles in 3 hours
• 200 miles in 4 hours
• 300 miles in 5 hours

A new shoe comes in three colors: red, navy, or black. It also comes in whole sizes 5 to 11. If a pair of shoes is chosen at random from a display of all the possible colors and sizes, what is the probability the shoes will be a navy size 9?

• 1/7
• 1/21
• 1/3
• not here