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3D Shapes and Nets
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3D Shapes and Nets
📚 Part 1: 3D Shape Properties
1. A rectangular prism has:
6 faces, 8 edges, 12 vertices
6 faces, 12 edges, 8 vertices
8 faces, 6 edges, 12 vertices
12 faces, 6 edges, 8 vertices
2. Which of the following are properties of a triangular pyramid? (Select all that apply)
4 triangular faces
6 edges
4 vertices
1 rectangular base
3. A cylinder has:
2 flat circular faces and 1 curved surface
3 flat faces and no curved surfaces
1 flat face and 2 curved surfaces
4 flat faces and 1 curved surface
4. The edge of a 3D shape is where:
Three faces meet
Two faces meet
Only one face exists
The shape curves
✏️ Part 2: Nets and Visualisation
5. Explain how you would check if a net will fold correctly into a cube:
6. A triangular prism net must include:
________ triangular faces and ________ rectangular faces.
7. When viewing a rectangular prism from above (plan view), you would see:
A triangle
A rectangle
A circle
A hexagon
8. Describe what happens when you unfold a cylinder into a net:
🎯 Part 3: Problem Solving & Extension
9. A mystery 3D shape has 5 faces, 9 edges, and 6 vertices. What shape is it?
Shape: _________________________
Explain your reasoning:
10. Extension: Design a composite shape made from a cube and a pyramid. How many faces, edges, and vertices would your combined shape have?
Total faces: _______ Total edges: _______ Total vertices: _______
11. Real-world connection: Name a building or object that uses pyramid shapes in its design and explain why this 3D shape might be chosen:
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