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#### Description:

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: A small square is a square unit. What is the area of this rectangle? Explain. What fraction of the area of each rectangle is shaded blue? Name the frac...

#### Subjects:

• Mathematics > General
• Education > General

#### Keywords:

Informal Education,Grade 3,NSDL,Upper Elementary,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-103,oai:nsdl.org:2200/20131110173508362T,Elementary School,Mathematics,Education,Vocational/Professional Development Education

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

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Update Standards?

#### CCSS.Math.Content.3.MD.C.6: Common Core State Standards for Mathematics

Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).

#### CCSS.Math.Content.3.G.A.2: Common Core State Standards for Mathematics

Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.

#### CCSS.Math.Content.3.NF.A.1: Common Core State Standards for Mathematics

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.

#### CCSS.Math.Content.3.NF.A.3b: Common Core State Standards for Mathematics

Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model.
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