K-5 friendly lesson
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Draw polygons

Become a shape artist! 🎨 A polygon is a special kind of shape with all straight sides. Let's learn to draw them by connecting the dots!

Lesson 1

Concept

A polygon is a flat, 2D shape that is fully closed and made of only straight lines. A circle is not a polygon because it's curved. An open shape is not a polygon because it's not closed. **How to Draw Polygons:** 1. **Use a ruler!** This is the best way to make sure your lines are perfectly straight. 2. **Connect the dots (vertices):** A polygon is defined by its corners, or 'vertices'. * A **triangle** has 3 vertices. Place 3 dots on your paper and connect them with straight lines to make a triangle. * A **quadrilateral** has 4 vertices. Place 4 dots and connect them. * A **pentagon** has 5 vertices. * A **hexagon** has 6 vertices. 3. **Make sure it's closed:** The last line you draw should connect back to the first dot you started with. There should be no openings. **Examples of Polygons:** * Triangles (3 sides) * Quadrilaterals (4 sides - includes squares, rectangles, etc.) * Pentagons (5 sides) * Hexagons (6 sides) **Key Idea:** The secret to polygons is three rules: 1. Flat shape. 2. Straight sides only. 3. Fully closed. If a shape follows all three rules, it's a polygon!

Try it

Practice: Draw polygons.