US Common Core State Standard Math 3.G.A.2
Demonstrations 1 - 20 of 62

Description of Standard: Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.

 Spirals of Squares An Example of the Bolyai-Gerwien Theorem Three Hinged Dissections of Squares Dodecagon-to-Hexagon Dissection Lindgren's Hexagon-to-Triangle Dissection Theobald's Nonagon-to-Triangle Dissection Goldberg's Pentagon-to-Triangle Dissection Pentagon-to-Near-Square Dissection Triangle to Parallelogram Tilson's Square-to-Pentagram Dissection Bradley's Hexagram-to-Square Dissection Fraction Blocks Dissection of a Pentagon to Almost a Square Hinged Dissection of Equilateral Triangles Lindgren's Hinged Dissection of Quadrilaterals Hinged Dissections of a Hexagram and a Hexagon Lindgren's Two-Triangles-to-One Hinged Dissection Taylor's Hinged Dissection of One Parallelogram into Another Macaulay's Triangle and Trapezoid Hinged Dissection Two Hinged Dissections of a Gnomon to a Square

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