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Mathematics | Grade : 1
Domain - Geometry
Cluster - Reason with shapes and their attributes.
[1.G.A.1] - Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes that possess defining attributes.
- Attribute
A common feature of a set of figures.
[K.G.B.4] -
Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/"corners") and other attributes (e.g., having sides of equal length).
[K.G.B.5] -
Model shapes in the world by building shapes from components (e.g., sticks and clay balls) and drawing shapes.
[2.G.A.1] -
Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, squares, rectangles, rhombuses, trapezoids, pentagons, hexagons, and cubes. [Note: Sizes are compared directly or visually, not compared by measuring]