Resources and Tools for Elementary Math Specialists and Teachers

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.
3. Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.
a. Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.

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This collection of lessons, interactive Flash exercises and teacher utilities supports the learning of fraction concepts using side-by-side symbolic and pictorial representations. The lessons cover identifying, comparing, renaming and operating with fractions using circle and number line models. The Fraction Maker feature allows a teacher to create visual models to illustrate those same topics with fractions chosen by the user. The site includes student games and worksheets as well as suggestions and resources for the teacher.
Activity, Game, Interactive Media, Tutorial
Grade Level: 3, 4, 5, 6+
0
(0 Comments)
This interactive Flash applet provides students with practice in renaming proper fractions in their lowest terms. Students are shown a fraction and a diagram of it in a unit circle. The student enters the reduced fraction, gets feedback, and when correct is shown a second picture of the equivalent fraction. Instruction in the form of printed and Flash animation examples is provided. This activity is also available in line segment (ribbon) mode from the Rename page.
Activity, Interactive Media
Grade Level: 3, 4, 5
0
(0 Comments)
In this 6-minute video Keith Phelps shows a lesson in which he has his fourth grade students decompose fractions to show one and a half in multiple ways. Students are given a variety of fraction tiles to complete this activity and are asked to build it, draw it, and write a number sentence for their solution. In addition to the video a transcript is provided.
Activity, Video
Grade Level: 3, 4, 5
0
(0 Comments)
This webpage links to a Java applet that enables students to build fractions, make equivalent fractions, compare fractions, and complete addition and subtraction of simple fractions with like denominators. The applet includes a variety of levels of challenge and representation. The webpage also includes a downloadable applet, a PowerPoint presentation on how to use the simulation, a PDF lesson plan, and a series of eight student recording sheets in PDF format.
Activity, Interactive Media, Lesson Plans
Grade Level: 3, 4, 5
5
(1 Comments)