From flat nets to solid objects
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Log in to continueUse face shapes and their placement to reason about folding.
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How many rectangular side faces appear in this prism net?
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A regular prism net has a strip of 3 rectangles and two congruent 3-sided polygon ends. The polygon side is 3 units and the prism length is 3.0 units.
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Answer: 3 faces
- The strip has 3 rectangles, one for every side of an end polygon.
- The two end polygons are not counted as rectangular side faces.
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Curriculum reference
Victorian Curriculum F–10 Version 2.0
Pi Leo practice scope
Use face shapes and their placement to reason about folding.
Read the official VCAA curriculum description (VC2M5SP01)
These quizzes practise concepts within this topic. Multiple-choice answers alone do not demonstrate drawing, conducting an investigation or using a digital tool.
Activities to practise beyond the quiz
- Supported by the guided activity; selecting an MCQ does not demonstrate this action.
- VC2M5SP01-C01A prism has two congruent polygon ends and one side face for each side of an end. A net must include all faces with suitable sizes and connections.
- VC2M5SP01-C02Counting faces is necessary but not sufficient. Check that adjoining edges match and that folding covers the solid without gaps or overlaps.
- VC2M5SP01-C03Constructing nets and physically building solids; spatial folding performance.
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Descriptor-derived subskills
- D01Account for every prism faceA prism has two congruent polygon ends and one side face for each side of an end. A net must include all faces with suitable sizes and connections.
- D02Connect and fold the facesCounting faces is necessary but not sufficient. Check that adjoining edges match and that folding covers the solid without gaps or overlaps.