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O-LevelMathematicsNumber4024/11 · May/June 2021 · Q102 Marks

By writing each number correct to one significant figure, estimate the value of 362.4-187.2 52.3

Mark scheme

Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.

  1. [2] 400, 200 and 50 seen and final answer 4
  2. B1 for two of 400, 200, 50 seen

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, May/June 2021 Paper 1 Variant 1, question 10.

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