Topic 5 Practice Test

A preschool has a student-to-teacher ratio of 8:3.  Which of the following ratios is equivalent to this ratio?

• 32 teachers to 12 students

• 32 students to 12 teachers

• 16 students to 10 teachers

• 56 students to 21 teachers

Tim is using 16 brown tiles and 6 white tiles to design a section of an outdoor patio. Which ratio compares the number of brown tiles to the total number of tiles in one section?

• 16:22

• 6:22

• 16:6

• 6:16

Part A

Complete the ratio table for a recipe.  Enter your answers in the boxes.

Part B

       Choose the graph that shows the pairs of values from Part A

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In 1 hour, 23 cars pass through a particular intersection.

Part A

At the same rate, how long would it take for 92 cars to pass through the intersection?

• 2 hours

• 3 hours

• 4 hours

• 9 hours

Part B 

Explain your reasoning.

Ben can buy a package of 9 folders for $1.26 or a package of 6 folders for $0.90.

What is the unit price per folder in each package?

Each folder in the package of 9 cost $ ______________

Mathematical Equivalence

ON

Ben can buy a package of 9 folders for $1.26 or a package of 6 folders for $0.90.

What is the unit price per folder in each package?

Each folder in the package of 6 cost $ _______________

Mathematical Equivalence

ON

Part B

What is the better buy? Explain your reasoning using math.

Maggie is downloading 25 songs. Her download is 60% complete. How many songs have been downloaded?

Mathematical Equivalence

ON