Unit 3, Lesson 7
Generalize Fraction Multiplication
Grade 5
Preparation
Lesson Purpose
The purpose of this lesson is to generalize strategies for calculating products of fractions.
Lesson Narrative
In this lesson, students find areas of rectangles where the subdivision of each side into unit fractions is not shown. They rely on their understanding of covering the area with appropriate size fractional pieces, understanding that the numerator of the area is the number of those pieces while the denominator is the number of those pieces in 1 square unit. Then students work abstractly with fractions, finding missing values in equations showing products of fractions with no reference to area.
- Engagement
- MLR8
- Calculate the product of 2 fractions.
- Generalize (orally and in writing) that
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Required Preparation
None
Teacher Reflection Questions
As students described how Diego’s diagram represented the expression
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