Unit Rates

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 one unit. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit rate?

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To calculate the unit rate, divide the total quantity by the number of units. For example, if 3 pounds of granola cost $3.75, the unit rate is $3.75 ÷ 3 = $1.25 per pound.

Front

If 3 pounds of hamburger cost $6, how much does 10 pounds cost?

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$20. (Unit rate: $6 ÷ 3 pounds = $2 per pound; 10 pounds x $2 = $20.)

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What is the unit rate of 15 pizzas costing $75?

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$5 per pizza. (Unit rate: $75 ÷ 15 pizzas = $5 per pizza.)

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How much does one child movie ticket cost if 15 tickets cost $71.25?

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$4.75 per ticket. (Unit rate: $71.25 ÷ 15 tickets = $4.75 per ticket.)

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How do you find the cost of multiple items using unit rates?

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Multiply the unit rate by the number of items. For example, if one adult ticket costs $12.50, then 4 adult tickets cost $12.50 x 4 = $50.

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What is the formula for calculating unit price?

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Unit Price = Total Cost ÷ Number of Units.

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If a recipe requires 2 cups of sugar for 4 servings, what is the unit rate of sugar per serving?

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0.5 cups of sugar per serving. (2 cups ÷ 4 servings = 0.5 cups per serving.)

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How can unit rates help in budgeting?

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Unit rates help compare costs of different items to find the best deal, allowing for better budgeting and spending decisions.

Front

What is the unit rate of 20 adult movie tickets costing $250?

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$12.50 per ticket. (Unit rate: $250 ÷ 20 tickets = $12.50 per ticket.)