Math 4 · Unit 12: Investigating 3D shapes and nets · Cambridge Primary Maths Stage 4

Questions

1. 1. Why can this net not make a cube?

   • It has 5 faces, and 4 of them are triangles, but a cube has 6 square faces.
   • A cube has triangle faces.
   • It has too many faces for a cube.
   • It has no square face.
   Check

2. 2. Which net will make a hexagonal prism?

   • A
   • Neither
   • Both
   • B
   Check

3. 3. All of these nets are the same except one. Which is the odd one out?

   • B
   • D
   • C
   • A
   Check

4. 4. A net is made of 1 pentagon and 5 triangles. Which 3D shape does it make?

   • pentagonal prism
   • pentagon-based pyramid
   • triangular prism
   • cube
   Check

5. 5. A net is made of 1 square and 4 triangles. Which 3D shape does it make?

   • cube
   • square-based pyramid
   • triangular prism
   • tetrahedron
   Check

6. 6. Which net will make a triangular prism?

   • B
   • C
   • None of them
   • A
   Check

7. 7. Match each shape to its net.

   • cube
   • cylinder
   • cone

   • A
   • B
   • C
   Check

8. 8. A net is made of 1 octagon and 8 triangles. Which shape can be made with it?

   • a cube
   • a cuboid
   • an octagonal prism
   • an octagon-based pyramid
   Check

9. 9. Match each shape to its net.

   • cuboid
   • tetrahedron
   • heptagonal prism
   • square-based pyramid

   • A
   • B
   • C
   • D
   Check

10. 10. Arnold has drawn this net to make a pentagon-based pyramid. How do you know it will not make one?

    • It has only 4 triangles, but the pyramid needs 5.
    • The base should be a square.
    • A pyramid can't be made from a net.
    • It has too many triangles.
    Check

11. 11. A net is made of 2 octagons and 8 rectangles. Which 3D shape does it make?

    • hexagonal prism
    • octagon-based pyramid
    • cuboid
    • octagonal prism
    Check