Geometry Sides and Corners Flashcards

Grade 2 · Math · Flashcards

Practice 2D shape names, sides, and corners with these flashcards.

Flashcards

Triangle

3 sides, 3 corners

Square

4 equal sides, 4 corners

Rectangle

4 sides (2 pairs of equal sides), 4 corners

Pentagon

5 sides, 5 corners

Hexagon

6 sides, 6 corners

Octagon

8 sides, 8 corners (like a stop sign)

Circle

0 straight sides, 0 corners — all curved

Vertex

A corner where two sides meet (plural: vertices)

Quadrilateral

Any polygon with 4 sides and 4 corners

Side

A straight line forming one edge of a polygon

How many sides = how many corners?

Always equal in any polygon

Polygon

A closed flat shape made of 3 or more straight sides

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