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Estimating

Estimating

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Question 3

Eddie and Ellen use a calculator to work out 431.114.3+3.82\displaystyle \frac{431.1}{14.3 + 3.8^2}14.3+3.82431.1​

Eddie's answer is 1.5

Ellen's answer is 15

One of those answers is correct.

Use approximations to find out which answer is correct.

[3]
Markscheme

Estimating Questions

  1. IGCSE
  2. /Maths
  3. /Estimating

15 exam-style questions on Oxford AQA IGCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.

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