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

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1.G--Interactive games for Geometry

attributes.png
Activity from Illustrative Mathematics.

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Grade 1 Unit: Understanding Shapes and Fractions
(from Georgia Department of Education)
This unit addresses KCAS 1.G.1-3.
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http://www.commoncoresheets.com/SortedByGrade.php?Sorted=1g1
Worksheets with problems identifying the type of shape.