Lesson 7

Build Multiplication Fluency

Lesson Purpose

The purpose of this lesson is to multiply two-digit and three-digit numbers with any number of newly composed units. 

Lesson Narrative

In previous lessons students have used the standard algorithm to find products of 3-digit and 2-digit numbers including products with newly composed units. In this lesson, students continue to find products, building fluency in situations with any number of newly composed units. Students learn a center game where they try to make the greatest product using 5 digits which they successively select. Continuing the theme of large products, students examine the number of new units that can be composed using the standard algorithm for multiplication and see that it is possible to compose up to 8 new units but not 9. 

  • Action and Expression
  • MLR8

Learning Goals

Teacher Facing

  • Use the standard algorithm to find products with any number of newly composed units.

Student Facing

  • Let’s multiply multi-digit whole numbers using the standard algorithm.

Required Materials

Materials to Copy

  • Greatest Product
  • Number Cards (0-10)

Required Preparation

CCSS Standards


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

As you support students as they continue to practice and understand the standard algorithm for multiplying whole numbers, in what ways will you leverage the diagrams and partial products algorithms used in early lessons to help students use the standard algorithm fluently?

Suggested Centers

  • Number Puzzles: Multiplication and Division (4–5), Stage 2: Multi-digit Factors (Addressing)

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