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Activity
The Math League

The Math League: Percent and Probability: What Is a Percent?

For Students 4th - 8th Standards
This site defines a percent, explains it as a fraction and decimal, and shows how to estimate a percentage.
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Website
PBS

Pbs Learning Media: Hacker's Four Zergen Game

For Students 3rd - 8th
In this video segment from Cyberchase, the CyberSquad determines the fairness of a game in which there are three shapes distributed equally on nine squares.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Game Do You Measure Up?

For Students 3rd - 5th Standards
This interactive game gives you a variety of measuring tools and measuring opportunity. For this game of chance you choose the correct tool for the job that needs to be measured. Everything you need for this game is listed and/or...
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Activity
University of Cambridge

University of Cambridge: Nrich: Trick or Treat

For Students 3rd - 5th
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.
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Interactive
Annenberg Foundation

Annenberg Learner: Making a Stem and Leaf Plot

For Students 3rd - 8th
A line plot may not be a useful graph for investigating variation so we must come up with a new representation based on groups of data. Construct a stem and leaf plot from a set of 26 data values.
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Interactive
Annenberg Foundation

Annenberg Learner: Organizing Data in a Stem and Leaf Plot

For Students 3rd - 8th
A stem and leaf plot is a graphical representation for investigating variation. You will convert an ordered stem and leaf display grouped by tens into an ordered display grouped by fives.

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