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Entire Librarylesson-planSecond GradeMathDecomposing and Adding Place Values

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.
Grade
Second Grade
Subject
Math
English Learner
English Learner Prelessons
View aligned standards
2.NBT.B.7
SL.2.1
SL.2.3
CA ELD.PI.2.1
TX ELP c3D
NY NLAP SL.1:SL.2.1
NY NLAP SL.3:SL.2.3
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.
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