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Entire Librarylesson-planFourth GradeMathConversations About Prime and Composite Numbers

Lesson Plan

Conversations About Prime and Composite Numbers

Get your students comfortable with distinguishing and discussing prime and composite numbers with this lesson that involves visuals and a card game. Use it as a standalone lesson or as support to the lesson Prime and Composite Numbers.
This lesson can be used as a pre-lesson for the Prime and Composite Numbers lesson plan.
Grade
Fourth Grade
Subject
Math
English Learner
English Learner Prelessons
View aligned standards
4.OA.B.4
CA ELD.PI.4.1.Ex
TX ELP c3D
NY NLAP SL.3: SL.4.3
This lesson can be used as a pre-lesson for the Prime and Composite Numbers lesson plan.

Objectives

Academic

Students will be able to find factor pairs for whole numbers and determine if they're prime or composite numbers.

Language

Students will be able to discuss prime and composite numbers using sentence starters and peer interaction.

Introduction

(3 minutes)
Prime Numbers vs Composite NumbersVocabulary Cards: Conversations About Prime and Composite NumbersGlossary: Conversations About Prime and Composite NumbersTeach Background Knowledge TemplateWrite Student-Facing Language Objectives Reference
  • Ask students the following question and have them discuss with a partner: How can we find the factors of a whole number?
  • Define factors as numbers that are multiplied together to get another number or a product.
  • Ask students to share key points from their discussion and record their responses on a piece of chart paper. Acknowledge their background knowledge and add on, using correct math terminology, if applicable.