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P1 Maths: 3D Shapes (10 Basic Items)
P1 Maths: 3D Shapes (10 Basic Items)
Ten naming items: sphere, cylinder, cone, cube, cuboid and pyramid, counting the faces, edges and vertices of a cube, and sorting everyday objects.
Naming first Name the solid, then say whether it stands on flat faces or a curved surface, and whether it rolls.
01 Paper details (check answers afterwards)
| Item | Detail |
|---|---|
| Questions | 10 |
| Suggested time | 25 |
| Difficulty mix | Foundation 5 · Intermediate 3 · Challenge 1 · Error redo 1 |
| Chapter | Chapter: P1 Maths: 3D Shapes |
| Level | P1 Maths |
02 Questions (10 items)
- FoundationWhat 3D shape is a ball, and in which directions can it roll?
- FoundationA tin can is a cylinder. How many flat faces does it have, and what shape are they?
- FoundationHow many faces does a cube have, and what shape are they?
- FoundationHow many edges does a cube have?
- FoundationHow many vertices does a cube have?
- IntermediateWhat 3D shapes are a book, a dice and an ice-cream cone?
- IntermediateWhy does a cube stack firmly on another cube while a sphere does not?
- IntermediateWhat 3D shape is a pyramid, and what is special about its top?
- ChallengeA solid has 6 faces, 12 edges and 8 vertices. What could it be?
- Error redoA student says a sphere rests on the ground with one flat face. What is wrong?
03 Answers and one-line notes
| # | Answer | One-line note |
|---|---|---|
| 1 | A ball is a sphere and rolls in any direction. | A sphere is curved all over, so it rolls in every direction. |
| 2 | Two flat faces, both circles, one at the top and one at the bottom. | A cylinder has a circle at each end; the curved surface joins them. |
| 3 | A cube has six faces, each a square of the same size. | All six faces are identical squares, which is what separates a cube from a cuboid. |
| 4 | A cube has twelve edges. | An edge is where two faces meet, and a cube has twelve of them. |
| 5 | A cube has eight vertices. | A vertex is a corner where three edges meet, four on top and four below. |
| 6 | A book is a cuboid, a dice is a cube, and an ice-cream cone is a cone. | Look at the faces: six rectangles means a cuboid, six equal squares means a cube. |
| 7 | A cube has flat faces that meet fully; a sphere only touches at a single point. | Stacking needs flat faces meeting, so shapes with curved surfaces are hard to pile up. |
| 8 | It is a pyramid with a four-sided base and triangular sides meeting at one vertex. | A pyramid has triangular side faces that all meet at one pointed top. |
| 9 | It could be a cube or a cuboid. | Cubes and cuboids share the same counts; only the shape of the faces differs. |
| 10 | A sphere has no flat face; it touches the ground at a single point and rolls. | Only a flat face can rest over an area; a sphere touches the ground at one point. |
04 What to do after marking
- After marking, redo only the wrong items and write down which step went wrong (formula, unit, or misread number).
- Repeat the same item two days later; move to the next paper only when both attempts are correct.
- Parents only need the answer and note columns; there is no need to explain every item.
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