Lesson Plan: Word Problems: Adding Three Numbers | Nagwa Lesson Plan: Word Problems: Adding Three Numbers | Nagwa

# Lesson Plan: Word Problems: Adding Three Numbers

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve word problems involving the addition of three whole numbers with sums up to 20.

#### Objectives

Students will be able to

• read and interpret a word problem involving the addition of 3 numbers,
• write an equation to represent a word problem involving the addition of 3 numbers,
• solve a word problem by choosing an appropriate strategy to add three numbers in any order,
• find a missing addend to solve a word problem where three numbers are added.

#### Prerequisites

Students should already be familiar with

• adding three numbers in any order,
• choosing strategies to add numbers with sums up to 20.

#### Exclusions

Students will not cover

• additions with a total greater than 20,
• adding more than three numbers.