No Series: What Fraction of this Shape is Red?
Math.3.NF.1
 Common core State Standards
 Math: Math
 3: 3rd Grade
 NF: Number and Operationsâ€“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.
Math.3.NF.A.1
 Common core State Standards
 Math: Math
 3: Grade 3
 NF: Numbers & OperationsFractions
 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.
Math.3.G.A.2
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.
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Discussion and Supporting Materials
Thought starters
 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?
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San Carlos Charter Learning Center750 Dartmouth Avenue
San Carlos CA 94070
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Fran Dickinson
English Language Arts Math / 5 6 / Teacher
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32 Comments
Aundrea Gamble Apr 21, 2020 1:33pm
1. How does using pattern blocks of multiple shapes push students to thinking about partitioning into equal parts?
By using hands on learning the students use pattern blocks to push them to think about partitioning into equal parts.
2. Why does Mr. D have students explain their work geometrically, verbally, and in writing?
Mr. D has the students explain their work in three different ways because they all tie into one another. Therefore, if they can do it one way they can always find the answer in different ways.
Kathy Johnson Oct 16, 2019 10:30pm
The Pattern Block Triangle Paper is located in the Super Source Pattern Block Resource Books. There is a Fraction Puzzles lesson in the Grades 56 book that is similar to this one. Hope this helps. :)
Mindy Ruehl Mar 2, 2019 2:53pm
Where can I find triangle pattern block paper?
Mindy Ruehl Mar 2, 2019 2:49pm
Where can I find pattern block rectangular paper?
Jennifer Dohrmann May 9, 2018 4:52pm