# Lesson 12

Represent and Solve Multiplication Problems

### Lesson Purpose

The purpose of this lesson is for students to represent and solve multiplication problems.

### Lesson Narrative

In previous lessons, students learned different ways to represent equal group situations with drawings, tape diagrams, and expressions. The purpose of this lesson is for students to solve problems involving equal groups with a representation of their choice.

• Representation
• MLR8

### Learning Goals

Teacher Facing

• Represent and solve multiplication problems.

### Student Facing

• Let’s represent and solve problems involving equal groups.

### Lesson Timeline

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

### Teacher Reflection Questions

What strategy did each student seem most comfortable using to find products today?

### Suggested Centers

• Capture Squares (1–3), Stage 5: Multiply with 2, 5, and 10 (Addressing)
• Five in a Row: Addition and Subtraction (1–2), Stage 7: Add within 1,000 without Composing (Supporting)