Introductory lesson on unit rate, meets Common Core standard 7.RP.A.1. This lesson includes worksheets with four different levels and answer keys.
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Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in each 1/4 hour, compute the unit rate as the complex fraction ½/¼ miles per hour, equivalently 2 miles per hour.