Interactive
University of Cambridge

University of Cambridge: Nrich: Games Pelmathism: Fractions, Decimals, & Percents

For Students 3rd - 8th
Use this game to improve your knowledge and understanding of fractions, decimals, and percents. You can set the topics you want to practice on this game.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 3)

For Students 3rd - 8th Standards
An interactive worksheet that focuses on adding and subtracting fractions. The worksheet covers concepts such as mixed numbers, reducing to lowest terms, and changing mixed numbers to improper fractions. Problems are set up horizontally...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals as Fractions Using Place Value

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to convert a decimal into a fraction by using the place value positions of digits to generate fractional parts. Includes...
Handout
Wikimedia

Wikipedia: Fraction

For Students 3rd - 5th Standards
This one page website provides a basic explanation of a fraction and its denominator and numerator.
Activity
University of Cambridge

University of Cambridge: Nrich: Pumpkin Pie Problem

For Students 3rd - 8th Standards
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nf Doubling Numerators and Denominators

For Teachers 3rd - 5th Standards
The purpose of this task is to assess whether students understand the meaning of the numerator and the denominator in a fraction. This task is not appropriate for a high-stakes summative assessment, but it could be very helpful in...
Handout
Other

Help With Fractions: Rules and Definitions

For Students 3rd - 8th Standards
The rules and definitions of fractions are clearly explained at this website. Numerators and denominators are illustrated and explained. This is an excellent place to get the basic foundation for fractions.
Lesson Plan
Council for Economic Education

Econ Ed Link: What Happened to Railroads?

For Teachers 9th - 10th
Between the Civil War and World War II, railroads were one of the nation's most important businesses and an integral part of people's lives. In this lesson, students assume the role of detectives investigating why the rail companies...
Handout
University of Georgia

University of Georgia: Intermath: Denominator

For Students 3rd - 5th Standards
This one page website provides a definition for denominator and numerator. It also give examples.
Unknown Type
My Hero Project

My Hero: Henry David Thoreau

For Students 9th - 10th
This brief article on writer Henry David Thoreau, the author of "Civil Disobedience," includes quotes and "related links" for further reading.