Proportions and Equivalent Ratios

Proportions and Equivalent Ratios

6th Grade Math Unit 3

Writing and Solving a Proportion

1. Set up the Ratios equal to one another.
2. See what number can be multiplied or divided by to make an equivalent ratio.

Solve

Write the missing number.

Multiple Choice

There are 15 turtles and 5 ducks in the pond.

If there were 100 ducks, how many turtles would there be?

• 300

• 500

• 250

Multiple Choice

The recipe for pumpkin spice cookies requires 10 cups of pumpkin for every 5 cups of flour. How many cups of flour are needed if we have 20 cups of pumpkin?

• 5

• 10

• 15

Multiple Choice

A car travels 32 miles in 8 hours. How much time will it take traveling 8 miles?

• 4

• 8

• 2

Multiple Choice

A two-month membership to the gym costs $125. Jim would like to be a member for 8 months. What is the total amount he would pay for 8 months?

• $500

• $600

• $100

Multiple Choice

Bobby drove 10 miles and his car used 5 gallons of gas . How many miles can he drive with 15 gallons of gas?

• 100 miles

• 30 miles

• 2 miles

Multiple Choice

Mary ran two miles in twenty minutes. If she continued at the same pace, how long will it take her to run 10 miles?

• 20 minutes

• 100 minutes

• 25 minutes