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Lesson Plan: Two-Step Problems with Bar Models: Numbers up to 10,000 Mathematics
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve two-step addition and subtraction problems by modeling them with bar models and writing equations.
Objectives
Students will be able to
- draw bar models to solve multistep addition and subtraction problems,
- identify the correct operations to use to solve a problem,
- understand that there may be more than one set of calculations to solve a problem,
- write stories to match a given bar model.
Prerequisites
Students should already be familiar with
- adding and subtracting numbers up to 10,000.
Exclusions
Students will not cover
- numbers over 10,000.
