Build up to algebraic thinking by exploring this balance tool using shapes of unknown weight. Challenge yourself to find the weight of each shape in one of six built-in sets or a random set. Two other ...
The Factor Game applet was adapted with permission and guidance from "Prime Time: Factors and Multiples," Connected Mathematics Project, G. Lappan, J. Fey, W ...
Did you know that for over 2,000 years people believed that no proof could be developed for the Pythagorean Theorem using trigonometry? In his book The Pythagorean Proposition (1968), mathematician ...
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