Proportions and Proportion Word Problems

Front

What is a proportion?

Back

When two ratios are equivalent and show the same value.

Front

If Danielle used 8 centimeters of tape to wrap 4 presents, how many presents can she wrap with 30 centimeters of tape?

Back

15 presents.

Front

The corporate team-building event costs $12 for 4 attendees. How many attendees can there be with a budget of $15?

Back

5 attendees.

Front

Are the following ratios proportional: 3/4 and 36/40?

Back

No.

Front

What is the ratio of mittens to total if there are 6 hats and 7 mittens?

Back

7:13.

Front

What is a ratio?

Back

A comparison of two quantities by division.

Front

How do you determine if two ratios are equivalent?

Back

Cross-multiply and check if the products are equal.

Front

What is the formula for finding a missing value in a proportion?

Back

If a/b = c/d, then ad = bc.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3.

Front

If 5 apples cost $10, how much do 8 apples cost?

Back

$16.