Unit 3, Lesson 2
Representations of Equal Groups of Fractions
Grade 4
Preparation
Lesson Purpose
The purpose of this lesson is for students to interpret and generate diagrams and expressions that represent the multiplication of a whole number and a unit fraction in order to find the value of the product.
Lesson Narrative
In this lesson, students interpret and relate multiplication expressions and diagrams that represent products of a whole number and a unit fraction. After matching expressions and diagrams in a card-sort activity, they practice using diagrams and expressions to find the result of multiplying a whole number and a unit fraction. They draw a diagram given a multiplication expression, or write an expression given a diagram (MP2).
- Engagement
- MLR8
- Interpret (orally and in writing) diagrams and expressions that represent multiplication of a whole number and a unit fraction.
- Use diagrams and expressions to represent and determine the product of a whole number and a unit fraction.
- Let’s look at diagrams and expressions that can help us multiply a whole number and a fraction.
Required Preparation
Activity 1
- Create a set of cards from the blackline master for each group of 2 students.
Teacher Reflection Questions
Revisit class norms and routines. Are all students contributing to the conversation? Do some students’ ideas seem to hold more value in the dynamics of the group? Are there any adjustments you might make so that all students do math tomorrow?
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