Lesson plan

Construct a story problem where a unit fraction is divided by a whole number

teaches Common Core State Standards CCSS.Math.Content.5.NF.B.7 http://corestandards.org/Math/Content/5/NF/B/7
teaches Common Core State Standards CCSS.Math.Content.5.NF.B.7a http://corestandards.org/Math/Content/5/NF/B/7/a
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Big Idea: There are several strategies we can use to divide whole numbers by unit fractions including drawing a picture, constructing a model or creating a number line, or using the multiplicative inverse. This lesson asks students to create a story problem for a problem where a whole number is divided by a unit fraction. It should follow strong conceptualized lessons where students worked to construct many models of fraction division. The mathematical concepts in this lesson build toward students' future work with division of fractions in sixth grade. Vocabulary: unit fraction, whole number, quotient, dividend, divisor, story problem Special Materials: none