# Lesson 17

Fraction Multiplication and Division Situations

### Lesson Purpose

The purpose of this lesson is for students to solve multiplication and division problems with fractions with an emphasis on making sense of the problems and the operation needed to solve them.

### Lesson Narrative

Earlier in this unit students learned how to multiply and how to divide a whole number by a unit fraction or a unit fraction by a whole number. In this lesson, they solve a variety of problems some of which encourage representing and solving with a specific operation.

• Engagement

Activity 1: Info Gap: Tiles

### Learning Goals

Teacher Facing

• Solve problems involving multiplication and division with fractions.

### Student Facing

• Let’s solve problems involving multiplying and dividing fractions.

### Required Materials

Materials to Copy

• Info Gap: Tiles

### Required Preparation

Activity 1:

• Create a set of cards from the blackline master for each group of 2.

### Lesson Timeline

 Warm-up 10 min Activity 1 20 min Activity 2 15 min Lesson Synthesis 10 min Cool-down 5 min

### Teacher Reflection Questions

Think about a recent time from class when your students were confused. What did you do to support them in reasoning about their confusion together as a community of learners?

### Suggested Centers

• Compare (1–5), Stage 8: Divide Fractions and Whole Numbers (Addressing)
• Rolling for Fractions (3–5), Stage 5: Divide Unit Fractions and Whole Numbers (Addressing)
• How Close? (1–5), Stage 6: Multiply to 3,000 (Supporting)

### Print Formatted Materials

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