Grade 7 Rates and Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often with different units.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1, allowing for easy comparison.

Front

How do you calculate a unit rate from a given rate?

Back

To calculate a unit rate, divide the numerator by the denominator to find the quantity per one unit of the second quantity.

Front

If Eric can walk 40 dogs in 8 hours, how many dogs can he walk in one hour?

Back

5 dogs per hour.

Front

Kristin drove 182.4 miles in 3 hours. What is her speed in miles per hour?

Back

60.8 miles per hour.

Front

What is the difference between a rate and a unit rate?

Back

A rate compares two different quantities, while a unit rate has a denominator of 1.

Front

What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

The ratio of dogs to all pets is 2:11.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown variable.

Front

What is the formula for calculating a rate?

Back

Rate = Total Quantity / Time.

Front

What is an example of a real-life application of unit rates?

Back

Calculating the price per item when shopping.