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Unit Plan
Yale University

Solving Problems by the Hundreds

For Students 9th - 10th
This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.
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Activity
AAA Math

Aaa Math: Fractions

For Students Pre-K - 1st Standards
A simple introduction to fractions with pictures of fourths and practice games to review the concept.
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Activity
Yale University

Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"

For Teachers 9th - 10th
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.
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Unit Plan
Beacon Learning Center

Beacon Learning Center: Flowering Fractions

For Students Pre-K - 1st Standards
An interactive web lesson teaches students about fraction concepts such as equivalent and equal parts.
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Interactive
Mangahigh

Mangahigh: Number: Common Fractions

For Students 5th - 7th Standards
Conert fractions, decimals, and percents to their equivalent forms.
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Lesson Plan
NumberNut

Number Nut: Breaking Down Fractions

For Teachers 3rd - 8th Standards
Discover fractions in the world around us in this instructional activity that also examines how fractions are divided. Detailed examples and pictures presented to explain this concept along with key vocabulary. A brief introduction to...
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Activity
University of Cambridge

University of Cambridge: Nrich: Red Balloons, Blue Balloons

For Students 3rd - 8th
Use your problem solving skills to help Katie and Will solve the problem they have with blowing up their balloons until they pop. See if you can discover the solution on your own at this one page website. Then check the solution...