4MA1/1FR Jan 2023, Question 3: Nets of 3D Shapes

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 5 marks

The question, in short

Identify a 3-D shape from a diagram, count its faces and vertices, then find the wire left after building a different 8-edge shape with 5 cm edges from 70 cm.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 1 mark

State the mathematical name of the 3-D shape shown.

1Prism

AnswerPrism

Part (bi) · 1 mark

Give the number of faces of the shape.

Answer7

Part (bii) · 1 mark

Give the number of vertices of the shape.

Answer10

Part (c) · 2 marks

For the 8-edge shape with each edge 5 cm, find the length of wire remaining from 70 cm.

1The shape has 8 edges, each 5 cm long.
2Wire used = 8 × 5 = 40 cm
3Wire left = 70 − 40 = 30

Answer30

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