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✏️ Drawing and Modeling Shapes

Draw neat 2D shapes with straight sides, then build 3D models from nets, straws, and clay to see how solids fit together!

2
lessons
~15 min
to learn
🔢 Math
subject
Ages 6–12
level
Start the course →

What you’ll learn

  1. Drawing 2D ShapesDraw squares, rectangles, and triangles with straight, correctly sized sides.Every flat shape follows rules you can draw. A square has 4 equal straight sides and square corners, best drawn with a ruler. A rectangle's size comes from its width and height. A triangle is a straight base with two slanted sides meeting at a top point — 3 straight sides and 3 corners.
  2. Modeling 3D ShapesModel 3D shapes using nets and straw-and-clay frames, and count edges and vertices.A net is a flat pattern that folds into a 3D shape; a cube's net is 6 joined squares. You can also model a solid with straws for edges and clay balls for vertices. A cube needs 12 straws for its 12 edges and 8 clay balls for its 8 vertices, showing exactly how the parts fit together.

Questions this course answers

When you draw a square, what should be true about its 4 sides?

A square has 4 straight sides that are all the same length.

On a rectangle, what two measurements decide its size?

A rectangle's size comes from its width and height.

How many straight sides do you draw for a triangle?

A triangle is 3 straight sides meeting at 3 corners.

What is a NET?

A net is a flat pattern that folds up into a 3D shape.

To build a cube model, how many straws (edges) do you need?

A cube has 12 edges, so you need 12 straws.

How many clay balls (vertices) does a cube model need?

A cube has 8 vertices, so you need 8 clay balls.

Grounded in trusted sources

  • PBS Kids — shapes and geometry
  • Khan Academy Kids
  • Britannica Kids
  • National Council of Teachers of Mathematics

Every Wunder lesson is built from real, reputable sources — never invented.

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