Common Core Math - Grade 7

Lesson Plan

Compute unit rates associated with ratios of fractions

Goals / Objectives

Identify the two quantities and their units in a ratio of fractions and determine which direction yields the desired unit rate

Set up the complex fraction that represents a unit rate when both quantities in a ratio are fractions

Compute a unit rate by dividing a fraction by a fraction, using the multiply-by-the-reciprocal procedure, and simplifying the result

Interpret the computed unit rate in context, including expressing units correctly (e.g., miles per hour, dollars per square foot)

Apply unit rate reasoning with fractions to scenarios involving lengths, areas, and quantities measured in like or different units

Standards

7.RP.A.1

7.RP.A.1: 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 1/2 / 1/4 miles per hour, equivalently 2 miles per hour.

Academic Vocabulary

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Remediation

This lesson’s brief has no prerequisite standards

Accommodations

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Anticipatory Set / Bell Work

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Check for Understanding

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Guided Practice

Independent Practice