# 4. Partition and name fractions (A)

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.MP4 http://corestandards.org/Math/Practice/MP4

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Lesson objective: Apply knowledge of partitioning shapes and using fractions to name the partitioned sections.

This lesson provides an opportunity for students to apply their knowledge and understanding of partitioning shapes and naming unit fractions to a real-life situation. Students are asked to follow a class set of directions to partition 3 flags and use fraction notation to name the partitioned sections.

Key Concept students will use:

•  fractions are numbers that describe a quantity that results from the partition of a whole, just as whole numbers denote a collection of whole units

Skills students will use:

• naming fractions using fraction notation

Students engage in Mathematical Practice 4 (model with mathematics) as they create area models of fractions while partitioning their flags and using fraction notation to name the partitioned sections of the flag.

Key vocabulary:

• denominator
• eigths
• numerator
• partition
• sixths
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