Ratios, Rates, Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How can the ratio of 12 boys to 9 girls be expressed?

Back

Front

What does it mean for two ratios to be proportional?

Back

Two ratios are proportional if they can be simplified to the same unit rate.

Front

What is the correct ratio for 14 apples to 23 grapes?

Back

14 : 23

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units.

Front

What is the unit rate for $3.60 for 12 eggs?

Back

$0.30 per egg.

Front

If Mrs. Darling can drive 280 miles in 4 hours, what is her unit rate in miles per hour?

Back

70 miles per hour.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1.

Front

How can you express the ratio of 5 to 15?

Back

Front

What is the unit rate for 60 miles in 3 hours?

Back

20 miles per hour.