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 to possess defining attributes.

Lesson Planning and Activity Resources

Math Playground.JPG
1.G--Interactive games for Geometry

Activity from Illustrative Mathematics.

Grade 1 Unit: Understanding Shapes and Fractions
(from Georgia Department of Education)
This unit addresses KCAS 1.G.1-3.
common core sheets.JPG
Worksheets with problems identifying the type of shape.