Unit Rates Flashcard

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item, ensuring the second quantity is 1.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour (300 miles ÷ 5 hours = 60 miles/hour).

Front

What is the formula to find the unit rate from a fraction?

Back

Front

If a recipe requires 4 cups of flour for 2 cakes, what is the unit rate of flour per cake?

Back

2 cups of flour per cake (4 cups ÷ 2 cakes = 2 cups/cake).

Front

How do you compare unit rates to determine the better deal?

Back

Calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Front

If a store sells 10 apples for $5, what is the cost per apple?

Back

$0.50 per apple ($5 ÷ 10 apples = $0.50/apple).

Front

What is the unit rate of words typed if Justin types 408 words in 4 minutes?

Back

102 words per minute (408 words ÷ 4 minutes = 102 words/minute).

Front

If a bike rental costs $79.80 for 6 hours, what is the hourly rate?

Back

$13.30 per hour ($79.80 ÷ 6 hours = $13.30/hour).

Front

Back

Multiply both sides by 3 to get x = 75.