US Common Core State Standard Math 1.G.A.2
Demonstrations 41 - 60 of 71

Description of Standard: Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape1.

 Dissecting a Dodecagram into Two Hexagrams Dissecting a Dodecagram {12/2} into a Hexagram {6/2} Lindgren's Dissection of a Pentagram into a Decagon Dissecting a Hexagram into Three Hexagrams Dissecting a Dodecagram into a Triangle Dissecting a Decagram {10/4} into Two Decagons Dissecting an Octagon into Four Smaller Octagons Dissecting a Decagon into Two Pentagons and Two Pentagrams Two-Octagons-into-One Dissection in Two Steps Five-Squares-to-One Dissection Hinged and Translational Dissection of Two Squares to One Hanegraaf's Rectangular Block of Size 2󪻑 to a Cube Dissection Dissection of a Special Rectangular Solid to a Cube Bennett's Octagon-to-Square Dissection Lindgren's Square-to-Dodecagon Dissection Busschop's Hexagon-to-Square Dissection Brodie's Pentagon-to-Square Dissection Dudeney's Cross-to-Isosceles-Right-Triangle Dissection Dissection of a Triangle to Its Mirror Image II Dissection of a Triangle to Its Mirror Image I

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