Lesson plan

Divide a unit fraction by a whole number by drawing a model

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.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: We can draw a model to divide a unit fraction by a whole number. This lesson introduces students to situations where unit fractions are divided by whole numbers. This task gives students a situation where there are only fractional parts of different drinks left and they must be divided among several people. Drawing models to complete this task should set the students up to develop a concrete and conceptual understanding of dividing fractions by whole numbers. The mathematical concepts in this lesson build toward students' future work with division of fractions in sixth grade. Vocabulary: unit fraction, whole number, dividend, divisor, quotient Special Materials: None needed