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Celeste International School

Grade 3 · Worksheet

3D shapes & nets

Nets of 3D shapes

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    What is a net of a 3D shape?

    1. AA 3D shape opened out flat
    2. BA curved surface
    3. CA single vertex
    4. DA type of prism
  2. 2.

    Attif unfolds a cereal box (a cuboid). How many faces does the net have?

  3. 3.

    What shape are the faces on the net of a cereal box (a cuboid)?

    1. ATriangles
    2. BRectangles
    3. CCircles
    4. DPentagons
  4. 4.

    The net of a square-based pyramid has how many square faces?

  5. 5.

    The net of a square-based pyramid has how many triangular faces?

  6. 6.

    How many faces does the net of a square-based pyramid have altogether?

  7. 7.

    A net has 1 square and 4 triangles. Which shape does it fold into?

    1. AA cube
    2. BA triangular prism
    3. CA square-based pyramid
    4. DA cylinder
  8. 8.

    The net of a tetrahedron (triangle-based pyramid) is made from how many triangles?

  9. 9.

    How many faces does a pentagon-based pyramid have?

  10. 10.

    How many faces does a hexagon-based pyramid have?

  11. 11.

    How many faces does a heptagon-based (7-sided base) pyramid have?

  12. 12.

    A pyramid has a base with a certain number of sides. How do you work out the number of faces?

    1. ANumber of sides of the base
    2. BNumber of sides of the base add 1
    3. CNumber of sides of the base times 2
    4. DAlways 5
  13. 13.

    How many faces does a hexagonal prism have?

  14. 14.

    What are the faces of a pentagon-based pyramid?

    1. A5 pentagons
    2. B1 pentagon and 5 triangles
    3. C2 pentagons and 5 rectangles
    4. D6 triangles
  15. 15.

    A net folds into a cone. What flat shape is part of the net?

    1. AA circle
    2. BA square
    3. CA pentagon
    4. DA triangle
  16. 16.

    Which 3D shape is made from a net of 2 circles and a curved rectangle?

    1. ACone
    2. BCylinder
    3. CSphere
    4. DCube
  17. 17.

    A net is made of 4 triangles only. Which shape does it make?

    1. ASquare-based pyramid
    2. BTetrahedron (triangle-based pyramid)
    3. CTriangular prism
    4. DCone
  18. 18.

    A net can be folded up to make a 3D shape.

    True False
  19. 19.

    The net of a cube is made of 6 squares.

    True False
  20. 20.

    The net of a square-based pyramid has 4 square faces.

    True False
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Answer key

3D shapes & nets — Nets of 3D shapes

  1. 1.A. A 3D shape opened out flat
  2. 2.6
  3. 3.B. Rectangles
  4. 4.1
  5. 5.4
  6. 6.5
  7. 7.C. A square-based pyramid
  8. 8.4
  9. 9.6
  10. 10.7
  11. 11.8
  12. 12.B. Number of sides of the base add 1
  13. 13.8
  14. 14.B. 1 pentagon and 5 triangles
  15. 15.A. A circle
  16. 16.B. Cylinder
  17. 17.B. Tetrahedron (triangle-based pyramid)
  18. 18.True
  19. 19.True
  20. 20.False