Mathematics (2019) Grade(s): 7

MA19.7.1

Calculate unit rates of length, area, and other quantities measured in like or different units that include ratios or fractions.

Unpacked Content

Knowledge

Students know:
  • What a unit rate is and how to calculate it given a relationship between quantities.
  • Quantities compared in ratios are not always whole numbers but can be represented by fractions or decimals.
  • A fraction can be used to represent division.

Skills

Students are able to:
Compute unit rates associated with ratios of fractional
  • lengths.
  • Areas.
  • quantities measured in like or different units.

Understanding

Students understand that:
  • Two measurements that create a unit rate are always different (miles per gallon, dollars per hour)

Vocabulary

  • Unit rate
  • Ratio
  • Unit
  • Complex fractions
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