Rate/Unit Rate

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

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Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour).

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How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number.

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CCSS.6.RP.A.3A

Front

What is the equivalent ratio of 3:4 when both terms are multiplied by 2?

Back

6:8

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Front

If Ben plays basketball 6 times in 3 weeks, how many times does he play in 10 weeks?

Back

20 times.

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CCSS.6.RP.A.3B

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How do you calculate the unit rate from a total?

Back

To calculate the unit rate, divide the total quantity by the number of units (e.g., total customers by total hours).

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What is the unit rate of 120 customers in 8 hours?

Back

15 customers per hour.

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How do you find the unit price of an item?

Back

To find the unit price, divide the total cost by the number of items.

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What is the unit price of 5 boxes of candy costing $12.54?

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$2.50 per box.

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Front

If Justin types 408 words in 4 minutes, how do you find his typing speed per minute?

Back

Divide 408 words by 4 minutes to get 102 words per minute.

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