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Fraction Multiplier

Simon Gregg had the idea to use the fraction modeler to show multiplication. For students to draw, I prefer rectangles because they're easier to draw, but students do gravitate to fraction models, so maybe this can be supportive. Circle Model Fraction comparison: http://geogebratube.org/student/m694587 A Rectangle Model multiplication: http://geogebratube.org/student/m132103