Resources and Tools for Elementary Math Specialists and Teachers
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    • 1
      needs a copy editor
      By Uncle Bob on 06/25/2012 - 10:04
    • The applet functions OK. Poorly annotated. Area is not always length times width (a dangerous generalization that many people adopt). What does tallest area mean? "Drag any locators to move it around." is vague or even ungrammatical.