Ratios and Proportional Relationships Unit Review

What is the ratio of stars to total shapes?

• 4 : 3

• 3 to 4

• 4 / 7

• 7 to 4

The ratio of grapes to cherries in a fruit salad is 5 : 2. If there are 15 grapes, then how many cherries are there?

• 2

• 6

• 7

• 15

The ratio of boys to girls in a 7th grade class at BAL is 2 : 3. If there are 12 girls in the class, how many boys are there?

• 8

• 10

• 18

• 20

In Math, a _____________ is a symbol (usually a letter) that represents a missing number.

True or false?

• True

• False

True or false?

• True

• False

Solve for the variable by taking the cross product (cross multiply)

x = _____

Solve for the variable by taking the cross product (cross multiply)

y = _____

Manny and his family set out to sea on a fishing trip. There is a proportional relationship between the time (in hours) Manny and his family spend sailing, x, and their distance from the shore (in miles), y. What is the constant of proportionality?

• 0.25

• 3

• 4

• 20

While playing basketball, Dariel notices that the amount of shots he makes is proportional to the number of minutes he has played. He makes 15 shots every 6 minutes. How many shots will he make in 18 minutes? Set up and solve a proportion for the value of s.