Unit 2, Lesson 7
Divide to Multiply Unit Fractions
Grade 5
Preparation
Lesson Purpose
The purpose of this lesson is for students to solve problems involving multiplication of whole numbers by unit fractions and represent the problems with equations and diagrams.
Lesson Narrative
In this lesson, students interpret situations and solve problems that involve products of a whole number and a fraction. Students solve story problems in a way that makes sense to them and match stories with diagrams and expressions. They work with expressions and flexibly interpret a diagram to extend their understanding of the relationship between fractions and multiplication and division. For example, consider this image:
It shows
- Compare and contrast (orally) strategies used to solve a story problem that can be represented as a product of a whole number and a unit fraction.
- Match (orally) diagrams, multiplication expressions, and division expressions that represent the same situation.
- Let’s solve problems about multiplying whole numbers by unit fractions.
Required Preparation
Activity 2
- Create a set of cards from the blackline master for each group of 2.
Teacher Reflection Questions
Which student responses did you anticipate from today’s lesson? Which student responses surprised you in today’s lesson?
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