6.RP.A.3.B: Definitions, Key Concepts & Examples

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Unit Rate

Back

A comparison of two different quantities when they are combined together.

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Unit Pricing

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Cost per single unit of measure.

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Constant Speed

Back

Speed that does not change over time.

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Example: Mowing Lawns

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7 hours for 4 lawns; find rate for 35 hours.

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Rate Calculation

Back

Divide total quantity by total time.

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Lawns per Hour

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4 lawns / 7 hours = 0.57 lawns/hour.

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35 Hours Calculation

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0.57 lawns/hour * 35 hours = 20 lawns.

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Understanding Rates

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Helps compare different quantities.

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Proportional Relationships

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Two quantities increase or decrease at the same rate.

Front

Example: Speed

Back

60 miles in 2 hours; rate is 30 mph.