Lesson plan

4. Practice representing division in different ways (FP)

  • From K-5 Math Companion Curriculum
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  • Standards
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teaches Common Core State Standards 3.OA.A.2 http://corestandards.org/Math/Content/3/OA/A/2
teaches Common Core State Standards MP4 http://corestandards.org/Math/Practice/MP4
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Lesson objective: Divide and apply the meanings of division to represent models and solve word problems.

This lesson helps to build procedural skill with representation of division. Models of equal groups, repeated subtraction and the number line are used here because it supports student proficiency. This work develops students' understanding that quotients of whole numbers can be interpreted as a number of shares (partitive or distribution division) and a number of groups (quotative or measurement division).  

Students engage in Mathematical Practice 4 (model with mathematics) as they represent equal groups using arrays, number lines, diagrams and equations to multiply and divide.

Key vocabulary:

  • dividend
  • division
  • divisor
  • inverse relationship
  • quotient