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.
Grade:
View aligned standards
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)- 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.