Lesson Plan

An Elapsed Time Strategy

While there are many strategies out there to choose from, help your students focus on the number line strategy for solving elapsed time word problems. Use this lesson independently or alongside *Beyond Just Addition.*
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This lesson can be used as a pre-lesson for the Beyond Just Addition lesson plan.
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This lesson can be used as a pre-lesson for the Beyond Just Addition lesson plan.

Objectives

Academic

Students will be able to use addition strategies in the context of solving elapsed time word problems.

Language

Students will be able to explain how to use addition on a number line to solve elapsed time word problems using sentence starters and key vocabulary.

Introduction

(2 minutes)
Elapsed Time Word Problems 1Elapsed Time Word Problems 2Teach Background Knowledge TemplateWrite Student-Facing Language Objectives ReferenceVocabulary Cards: An Elapsed Time StrategyGlossary: An Elapsed Time Strategy
  • Display an image of a stopwatch and ask students to discuss the purpose of the object.
  • Explain that the job of the stopwatch is to keep track of the time that is passing. Define the term elapsed time and share that you can figure out the time that has passed using other strategies if you do not have a stopwatch available.
  • Share the Language Objective for the lesson and have students repeat it. Tell the class that they will be using a number line to solve elapsed time word problems today.