Lesson 7
Generalize Fraction Multiplication
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
Learning Goals
Teacher Facing
 Generalize to find the product of any 2 fractions.
Student Facing
 Let’s use what we’ve learned to multiply any fractions.
Required Preparation
CCSS Standards
Addressing
Lesson Timeline
Warmup  10 min 
Activity 1  20 min 
Activity 2  15 min 
Lesson Synthesis  10 min 
Cooldown  5 min 
Teacher Reflection Questions
Suggested Centers
 Rolling for Fractions (3–5), Stage 4: Multiply Fractions (Addressing)
 How Close? (1–5), Stage 7: Multiply Fractions and Whole Numbers to 5 (Supporting)
Print Formatted Materials
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Additional Resources
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