 ## Common Core State Standards for Mathematics

Grade(s) 3 resources related to the following standard:
Number and Operations—Fractions
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.

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This downloadable Java applet allows students to experiment with fractions by building and displaying fractions in the "Intro" tab. Students may explore the "Build a Fraction", "Equality Lab", and "Matching Game" tabs for more directed simulations. The website includes a teacher's guide (PDF) for suggested user tips.
Activity, Interactive Media
Grade Level: 2, 3, 4
(0 Comments)
In this problem students use a visual representation of fractions to compare fractions. Students are given two fractions and using the fraction wall they must compare them and find the difference between them. A Teacher's Notes page, hints, solutions, and printable pages are provided. The goal of this problem is for students to compare the two fractions given by using the visual fraction wall or their knowledge of equivalent fractions and subtracting fractions.
Activity
Grade Level: 3, 4, 5
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These worksheets are intended to support the teaching and learning of fractions. Problem Solving Activities are problems to be solved; Fraction Wall includes one filled-in fraction wall and two blank walls; Slicing Shapes discusses making fractions by dividing shapes equally; What's the Fraction? offers practice in fraction recognition in non-standard shapes; and Numerators and Denominators discusses the parts of fractions and their names.
Activity, Lecture/Presentation, Problem Set, Graph
Grade Level: 2, 3, 4, 5
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This applet lets students practice naming fractions, by presenting various shapes divided into equal parts with some parts shaded. Students write the fraction in the boxes provided, and check. Equivalent fractions are recognized, but students are encouraged to name the fraction using the denominator indicated by the shape. Instructions for using the applet and teaching ideas for parents/teachers are available through the links at the top of the page.
Activity
Grade Level: K, 1, 2, 3
(0 Comments)
Using this applet, students create fractions by dividing whole shapes into equal pieces and selecting parts of the whole. The applet displays fractions in the forms “(x) out of (y)” and “x/y” as the part is selected. Instructions for using the applet and teaching ideas for parents/teachers are available through the links at the top of the page.
Activity
Grade Level: 1, 2, 3, 4, 5
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Students use this applet to practice making visual models of fractions by dividing a shape into the given number of segments, then choosing the appropriate number to match the given fraction. Applet instructions and teaching ideas are included in the links at the top of the page.
Activity
Grade Level: K, 1, 2, 3, 4
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This set of interactive activities for students introduces early fractions concepts. Students name the parts needed to divide a pizza, fill in a fraction wall with fraction bars, name a shaded fraction, arrange fractions on a number line, and subtract fractions from a whole using different denominators. The main page links to support materials for teachers: practice problems and exposition material.
Activity, Lecture/Presentation, Problem Set
Grade Level: 2, 3, 4, 5
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In this five lesson unit with overview from Illuminations, student activities explore relationships among fractions through work with the length model. Students construct fraction strips and use fraction bars throughout the unit to make sense of basic fraction concepts, to compare fractions and order fractions and to work with equivalency in fractions. Specific learning objectives, a material list, an instructional plan, questions for the students, assessment options, extensions, and teacher reflections are given for each lesson.
Lesson Plans
Grade Level: 3, 4, 5
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This unit from Illuminations consists of five lessons designed to help students understand fractions when they are represented as a part of a region. Learners investigate relationships between parts and wholes, the relative value of the fraction based on the pattern block shape and equivalency while working with physical and/or virtual pattern blocks. Instructional plan, questions for the students, assessment options, extensions, and teacher reflections are given for each lesson.
Activity, Interactive Media, Lesson Plans
Grade Level: 3, 4, 5
(1 Comments)
In this simple game, students match halves of objects to animate the scene.
Game
Grade Level: K, 1, 2
(0 Comments)