Lesson plan

Represent a unit fraction by partitioning a whole into equally sized pieces

teaches Common Core State Standards CCSS.Math.Content.3.G.A.2 http://corestandards.org/Math/Content/3/G/A/2
teaches Common Core State Standards CCSS.Math.Content.3.NF.A.1 http://corestandards.org/Math/Content/3/NF/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6

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Big Ideas: A fraction describes the division of a whole (region, set, segment) into equal parts. Fractions can be modeled in multiple ways. A unit fraction can be used to name the area of each segment of a model if that model has been partitioned into equal parts. This lesson builds on students' experiences naming unit fractions with denominators of 2, 3, 4, 6, and 8. In this task, students partition shapes and use unit fractions to describe the area of the shapes. Students are asked to draw models to represent given fractions and write the name of fractions that represent already-drawn models. This lesson solidifies students' understanding of how unit fractions can be represented by area models so that students are ready, in future lessons, to represent unit fractions with number line models. Vocabulary: partition, unit fraction, area models, numerator, denominator