Unit Rates Plus

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

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To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 150 calories in 3 servings, the unit rate is 150 ÷ 3 = 50 calories per serving.

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If a recipe requires 4 cups of flour for 2 loaves of bread, what is the unit rate of flour per loaf?

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The unit rate is 4 cups ÷ 2 loaves = 2 cups of flour per loaf.

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What is the formula to find the price per item?

Back

The formula to find the price per item is: Price per item = Total price ÷ Number of items.

Front

If a car travels 240 miles in 4 hours, what is the speed in miles per hour?

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Speed = Distance ÷ Time = 240 miles ÷ 4 hours = 60 miles per hour.

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How do you find the cost per bag when given a total cost and number of bags?

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Cost per bag = Total cost ÷ Number of bags.

Front

If a family spends $120 on 6 movie tickets, what is the price per ticket?

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Price per ticket = Total cost ÷ Number of tickets = $120 ÷ 6 = $20 per ticket.

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What is the relationship between distance, rate, and time?

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The relationship is expressed by the formula: Distance = Rate × Time.

Front

If a person can type 240 words in 3 minutes, how many words can they type in 1 minute?

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Words per minute = Total words ÷ Total minutes = 240 ÷ 3 = 80 words per minute.

Front

What is the unit rate of speed if a runner completes 10 miles in 2 hours?

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Unit rate of speed = Distance ÷ Time = 10 miles ÷ 2 hours = 5 miles per hour.