 Lesson Plan: Multiplying Two-Digit Numbers by One-Digit Numbers: Adding Partial Products | Nagwa Lesson Plan: Multiplying Two-Digit Numbers by One-Digit Numbers: Adding Partial Products | Nagwa

# Lesson Plan: Multiplying Two-Digit Numbers by One-Digit Numbers: Adding Partial Products Mathematics • 4th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to multiply two-digit numbers by one-digit numbers by calculating partial products and using expanded column multiplication.

#### Objectives

Students will be able to

• use expanded column multiplication to multiply a two-digit number by a one-digit number,
• model the calculation and describe how each step is represented in the written solution,
• find missing numbers in partially complete solutions,
• identify errors in solutions.

#### Prerequisites

Students should already be familiar with

• the multiplication tables up to ,
• partitioning two-digit numbers into tens and ones.

#### Exclusions

Students will not cover

• standard column multiplication,
• area models.