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Mathematics Grade 3

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Strand: NUMBER AND OPERATIONS - FRACTIONS (3.NF)

Develop understanding of fractions as numbers. Denominators are limited to 2, 3, 4, 6, and 8 in third grade.-
Closest to 1/2

In this task students are given a number line and a choice of fractions. They must identify which of the choices is closest to 1/2. -
Comparing Fractions

The purpose of this task is for students to compare fractions using common numerators and common denominators and to recognize equivalent fractions. Students need to represent their answers with both symbols and pictures, so that the visual representation can help students make meaning of the more abstract symbolic representations. -
Comparing Fractions with Lines

This lesson will help students simplify fractions, compare and order them on a number line, and estimate their value. -
Comparing Fractions with a Different Whole

This task is meant to address a common error that students make, namely, that they represent fractions with different wholes when they need to compare them. -
Comparing Fractions with the Same Denominator, Assessment Variation

This task is part of a set of three assessment tasks for 3.NF.3d. This part of the standard is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. -
Comparing Fractions with the Same Numerators, Assessment Variation

This task is part of a set of three assessment tasks for 3.NF.3d. This part of the standard is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. -
Equivalent Fractions

This applet allows the student to test their understanding of fractions by naming an equivalent fraction to one shown on the screen. -
Equivalent Fractions Finder

Students doing this lesson will visually experiment with the relationship between the value of fractions and areas within a square or a circle. In doing so they will practice simplifying fractions and compare fractions. -
Equivalent Fractions Pointer

This lesson will help students understand how to simplify and compare fractions as well as place them in order on a number line. -
Find 1

The purpose of this task is to assess whether students understand fractions as being built from unit fractions and whether they can accurately locate fractions on the number line. -
Find 1 Starting from 5/3, Assessment Variation

This task requires that students understand a fraction as a number on the number line and represent fractions on a number line diagram. -
Find 1/4 Starting from 1, Assessment Version

This task requires that students understand a fraction as a number on the number line and represent fractions on a number line diagram. -
Find 7/4 starting from 1, Assessment Variation

This task requires that students understand a fraction as a number on the number line and represent fractions on a number line diagram. -
Finding 2/3

This simple-looking problem reveals much about how well students understand unit fractions as well as representing fractions on a number line. -
Fraction Comparisons With Pictures, Assessment Variation

This task is part of a set of three assessment tasks for 3.NF.3d. This part of the standard is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. -
Fraction Tutorials

This site provides tutorials and activities to help the student understand fractions. -
Fractions for Primary Students

Students will be introduced to fractions in this lesson by dividing a whole into parts and applying this understanding of fractions to fruit and other everyday objects. -
Getting to Know You

In this lesson plan students conduct a survey of their fellow students in order to understand the characteristics of the group. In doing so they will better understand fractions. -
Grade 3 Mathematics Module 5: Fractions as Numbers on the Number Line (EngageNY)

In this 35-day Grade 3 module, students extend and deepen second grade practice with "equal shares" to understanding fractions as equal partitions of a whole. Their knowledge becomes more formal as they work with area models and the number line. -
Halves, thirds, and sixths

The purpose of this task is for students to use their understanding of area as the number of square units that covers a region, to recognize different ways of representing fractions with area, and to understand why fractions are equivalent in special cases. -
IXL Game: Compare Fractions

This game helps the third grader compare two fractions with the same numerator or the same denominator by reasoning about their size. This is just one of many online games that supports the Utah Math core. Note: The IXL site requires subscription for unlimited use. -
Jon and Charlie's Run

The purpose of this task is to present students with a context where they need to explain why two simple fractions are equivalent and is most appropriate for instruction. -
Locating Fractions Greater than One on the Number Line

Given a number line and a list of fractions, students must mark and label each fraction on the line. -
Locating Fractions Less than One on the Number Line

In every part of this task, students must treat the interval from 0 to 1 as a whole, partition the whole into the appropriate number of equal sized parts, and then locate the fraction(s) on a number line. -
Naming the Whole for a Fraction

The goal of this task is to show that when the whole is not specified, which fraction is being represented is left ambiguous. -
Ordering Fractions

The purpose of this task is to extend students' understanding of fraction comparison and is intended for an instructional setting. -
Single Fraction Finder

In this lesson students will practice dividing a whole into a fraction and visualize fractions on a number line. -
Single Fraction Pointer

This activity was designed to help students better understand fractions by practicing dividing a whole into a fraction and visualizing fractions on a number line. -
Snow Day

The purpose of this task is for students to investigate a claim about a comparison of two fractions in a context. This particular task helps students to construct viable arguments and critique the reasoning of others. Students are asked to critique the reasoning of Alec’s claim that his school day was shorter than his brother’s in the scenario given. -
USBE Core Guide for Domain: Number and Operations - Fractions (3NF1)

This math guide provides academic vocabulary, instructional strategies, teacher resources, and assessment tasks for the Number and Operations - Fractions domain. -
USBE Core Guide for Domain: Number and Operations - Fractions (3NF2)

This math guide provides academic vocabulary, instructional strategies, teacher resources, and assessment tasks for the Number and Operations - Fractions domain. -
USBE Core Guide for Domain: Number and Operations - Fractions (3NF3)

This math guide provides academic vocabulary, instructional strategies, teacher resources, and assessment tasks for the Number and Operations - Fractions domain. -
What Fraction of this Shape is Red?

This Teaching Channel video shows how students can explore part and whole by creating pattern block designs. (4 minutes) -
Which is Closer to 1?

In this problem students are given 2 fractions and asked to determine which of them is closest to 1.

http://www.uen.org - in partnership with Utah State Board of Education (USBE) and Utah System of Higher Education (USHE). Send questions or comments to USBE Specialist - Shannon Ference and see the Mathematics - Elementary website. For general questions about Utah's Core Standards contact the Director - DIANA SUDDRETH .

Email: diana.suddreth@schools.utah.gov These materials have been produced by and for the teachers of the State of Utah. Copies of these materials may be freely reproduced for teacher and classroom use. When distributing these materials, credit should be given to Utah State Board of Education. These materials may not be published, in whole or part, or in any other format, without the written permission of the Utah State Board of Education, 250 East 500 South, PO Box 144200, Salt Lake City, Utah 84114-4200.

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(800) 866-5852 | KUEN CPB Compliance | Web Accessibility | Captioning