Sort shapes by attributes

~10 min

Shapes can be sorted by sides, corners, faces, or curved parts.

Identifying Shape Sides and Corners

side
corner

Flat shapes can be sorted by the number of straight sides or corners they have. A triangle has 3 sides and 3 corners, while a square has 4 equal sides and 4 corners.

💡 Count carefully around the edge of the shape to find all the sides and corners.