Lesson Plan

Decomposing and Adding Place Values

Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.
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This lesson can be used as a pre-lesson for the Composing and Decomposing lesson plan.
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This lesson can be used as a pre-lesson for the Composing and Decomposing lesson plan.

Objectives

Academic

Students will be able to add two three-digit numbers using decomposition and place value.

Language

Students will be able to explain how to use decomposition to add two three-digit numbers with academic vocabulary using sentence frames and partnerships for support.

Introduction

(2 minutes)
Bubbles: Three-Digit AdditionTeach Background Knowledge TemplateWrite Student-Facing Language Objectives Reference
  • Gather the students together and explain that today they will be learning different strategies to add numbers.
  • Ask students to think-pair-share what the word strategy means. Allow a few students to offer ideas. Clarify that a strategy is a plan of action for solving a problem.