NumihanaHow many edges does a cube have?
Answer: ________________
LEARN, PRINT & PRACTISE
Edges of 3-D shapes.
Count edges of selected prisms and cuboids.
Numihana · England Year 2
Edges of 3-D shapes
Practice sheet
Name: ______________
Date: ______________
Count edges of selected prisms and cuboids.
How many edges does a triangular prism have?
Answer: ________________
How many edges does a triangular prism have?
Answer: ________________
How many edges does a cube have?
Answer: ________________
How many edges does a cuboid have?
Answer: ________________
How many edges does a triangular prism have?
Answer: ________________
Numihana · England Year 2
Edges of 3-D shapes
Answer key
Name: ______________
Date: ______________
Count edges of selected prisms and cuboids.
How many edges does a cube have?
Answer: 12
How many edges does a triangular prism have?
Answer: 9
How many edges does a triangular prism have?
Answer: 9
How many edges does a cube have?
Answer: 12
How many edges does a cuboid have?
Answer: 12
How many edges does a triangular prism have?
Answer: 9
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The skill behind this activity
Count edges of selected prisms and cuboids.
Department for Education: mathematics programmes of study ↗
Year 2 → Geometry → Properties of shapes · Selected statutory skill. Pack 2.2.0 · source checked 2026-10-12.
For teachers and parents
An edge is where two flat faces meet. Count systematically, including edges that would be hidden from one view.
A common slip
Edges, vertices and faces are different features.
Worked example
How many edges does a triangular prism have?
Answer: 9
An edge is where two flat faces meet. Count systematically, including edges that would be hidden from one view.