 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.
c. Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. Examples: Express 3 in the form 3 = 3/1; recognize that 6/1 = 6; locate 4/4 and 1 at the same point of a number line diagram.

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This FAQ page from the Teacher2Teacher service at The Math Forum @ Drexel contains many suggestions for learning about fractions. It includes ideas contributed by T2T Associates and teacher participants. There are links to Ask Dr. Math resources, children's literature connections, and outside websites with related resources.
Instructional Strategy, Reference Materials, Community
Grade Level: 3, 4, 5, 6+
This fraction game (Java) enables students to find matching fractions using numbers and pictures, to match fractions in different picture patterns, and to compare fractions using numbers and patterns. Included in this website are the interactive simulation, lesson plan in PDF or docx, student instruction sheet in PDF or docx, and a progress tracker in PDF or xlsx.
Interactive Media, Lesson Plans
This lesson fosters a student's conceptual fraction sense with proper fractions, improper fractions, and mixed numbers by placing thirty fraction cards in order between given whole numbers on a number line clothesline. Users will visually identify that all proper fractions are grouped between zero and one, and that improper fractions or mixed numbers are all grouped above one. Users also play an estimation game with groups using the same principle. Instructional plan, questions for the students, assessment options, extensions, and teacher reflections are given.
Activity, Lesson Plans
Grade Level: 3, 4, 5, 6+
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
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
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
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 Resource is part of a PD collection