What Fraction of this Shape is Red?

Grades 5-6 / Math / Fractions
CCSS: Math.3.G.A.2 Math.3.NF.A.1 Math.3.NF.1

Common Core State Standards

Math

Math

3

Grade 3

G

Geometry

A

Reason with shapes and their attributes

2

Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.

Download Common Core State Standards (PDF 1.2 MB)

Common Core State Standards

Math

Math

3

Grade 3

NF

Numbers & Operations--Fractions

A

Develop understanding of fractions as numbers

1

Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.


Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, 8.

Download Common Core State Standards (PDF 1.2 MB)

Common Core State Standards

Math

Math

3

3rd Grade

NF

Number and Operations–Fractions

1

Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.

Download Common Core State Standards (PDF 1.2 MB)
Lesson Objective
Students explore part and whole by creating pattern block designs
Length
5 min
Questions to Consider
How does using pattern blocks of multiple shapes push students thinking about partitioning into equal parts?
Why does Mr. D have students explain their work geometrically, verbally, and in writing?
How could Mr. D extend this lesson to develop students thinking around adding and subtracting fractions or decomposition of fractions?
Support Materials Below
Transcript
Common Core Standards
Math.3.G.A.2, Math.3.NF.A.1, Math.3.NF.1

Supporting Materials

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  • Transcript for What Fraction of this Shape is Red?

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