Defines a rate and a unit rate. Several examples are provided.
Grades 6 through 7 Material from CK-12Preview Assign
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Understand the concept of a unit rate a/b associated with a ratio a:b with b 0, and use rate language in the context of a ratio relationship.
Recognize and represent proportional relationships between quantities.
Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.