Page 22 - Kindergarten.indd

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Core skills 1

1.G.1: Distinguish between defining attributes versus non-defining attributes; build and draw
shapes to possess defining attributes.

A polygon is a closed figure with straight sides.

THINK THINK
Look at the figure. Look at the figure.
Does the figure have straight sides? Does the figure have straight sides?
YES! YES!
Is the figures closed? Is the figures closed?
YES! NO!
Therefore, the figure is A POLYGON! Therefore, the figure is NOT A POLYGON!

Look at each figure. Identify whether each figure is a polygon or not a polygon by placing a
check mark () in the box.

1. 2.
Polygon Polygon

Not a polygon Not a polygon

3. 4.
Polygon Polygon

Not a polygon Not a polygon

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