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3D Shapes and Nets

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3D Shapes and Nets

3D shapes and nets illustration

📐 Part 1: 3D Shape Properties

1. How many faces does a triangular prism have?

3

4

5

6

2. Which 3D shape has 8 vertices?

Triangular pyramid

Rectangular prism

Cylinder

Triangular prism

3. A square pyramid has _____ faces, _____ edges, and _____ vertices.

Faces: _________     Edges: _________     Vertices: _________

4. Which shapes have curved surfaces? (Tick all that apply)

Cylinder

Cone

Rectangular prism

Sphere

📦 Part 2: Nets and Construction

5. Which net would fold to make a cube?

6 squares arranged in a cross shape

4 rectangles and 2 squares

5 squares in a line

3 rectangles and 3 triangles

6. A triangular prism net contains:

2 triangles and 3 rectangles

4 triangles and 1 rectangle

3 triangles and 2 rectangles

1 triangle and 4 rectangles

7. Explain how you would check if a net will fold correctly into a 3D shape:
8. Draw a simple net for a rectangular prism in the space below:

🎯 Part 3: Real-World Applications

9. Name two examples of rectangular prisms you might find in everyday life:

1. ___________________________     2. ___________________________

10. A packaging designer needs to create a box that holds 12 tennis balls. What 3D shape properties should they consider?
11. If you were designing a tent, which 3D shape would be most practical and why?

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