🔷 Shapes & Geometry
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Flat Shapes (2D)

Flat shapes have length and width — you can draw them on paper!

FLAT SHAPES (also called 2D shapes) lie flat on a surface like paper. They have a length and a width, but no depth. You draw them, you cannot pick them up!

The main 2D shapes:

1⬛ SQUARE — 4 equal sides, 4 corners
2▬ RECTANGLE — 4 sides (2 long + 2 short), 4 corners
3▲ TRIANGLE — 3 sides, 3 corners
4⭕ CIRCLE — perfectly round, no sides, no corners
5⬠ PENTAGON — 5 sides, 5 corners
6⬡ HEXAGON — 6 sides, 6 corners
🔍Shape detective clues
SQUARE     → 4 equal sides, 4 corners
RECTANGLE  → 4 sides (top=bottom, left=right), 4 corners
TRIANGLE   → exactly 3 sides, 3 corners
CIRCLE     → NO sides, NO corners — perfectly round!

Has corners

▲ Triangle (3)⬛ Square (4)▬ Rectangle (4)

No corners

⭕ Circle

Circles are special — they have no sides and no corners at all!

✏️ Try It!

A stop sign has 8 sides. What shape is it?

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Remember This!

Count the SIDES to name any shape: 3 sides = triangle, 4 equal sides = square, 4 unequal sides = rectangle, no sides = circle!

Take Quiz 📝 — 25 Questions