Proportions and Rates Review

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you convert miles per hour to miles per minute?

Back

To convert miles per hour to miles per minute, divide the speed by 60.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

If a sloth moves 3/8 of a foot in 3/4 of a minute, how do you find its speed?

Back

Convert the distance to feet per minute: (3/8) / (3/4) = 1/2 ft/min.

Front

How many centimeters are in a meter?

Back

There are 100 centimeters in a meter.

Front

What is the relationship between rates and proportions?

Back

Rates can be expressed as proportions, comparing two different units.

Front

How do you solve a proportion?

Back

Cross-multiply and then divide to find the unknown value.

Front

What is the speed of Mrs. Solomon if she jogs at 7.5 miles per hour?

Back

Mrs. Solomon jogs at 0.125 miles per minute.

Front

Convert 110 miles per hour to miles per day.

Back

110 mi/h = 2,640 mi/day.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together.