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Estimating

Estimating

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Question 3

A metal plate is formed by cutting a square out of a rectangle.

A diagram showing a large grey rectangle with a white square cut out. The left side of the grey rectangle is labeled 4.15 m. The bottom side of the grey rectangle is labeled 7.85 m. The top side of the white square is labeled 2.92 m. The right side of the white square is labeled 2.92 m.

a.

Work out an estimate for the area of the metal plate.

[3]
b.

Is your answer to part (a) an underestimate or an overestimate? Give a reason for your answer.

[1]
Markscheme

Estimating Questions

  1. GCSE
  2. /Maths
  3. /Estimating

64 exam-style questions on Edexcel GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.

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