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#### Description:

In this activity, students highlight segments of a square or circle equal to two different fractions then use those areas to visualize the difference between the two fractions. This activity allows students to explore the relationship between the value of fractions and areas within a square or circle. This activity includes supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.

#### Subjects:

• Mathematics > General

#### Keywords:

Informal Education,oai:nsdl.org:2200/20120614151535721T,Middle School,NSDL,Upper Elementary,Elementary School Programming,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-016,Elementary School,Vocational/Professional Development Education,Mathematics,Middle School Programming

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

None
Update Standards?

#### 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.2a: Common Core State Standards for Mathematics

Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

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

Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.

#### CCSS.Math.Content.4.NF.A.2: Common Core State Standards for Mathematics

Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols >, =, or

#### CCSS.Math.Content.4.NF.B.4b: Common Core State Standards for Mathematics

Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number.
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