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Cambridge IGCSE Mathematics practice

MCQ practice - Identify the upper and lower limits for values that have been rounded to a certain degree of accuracy, such as determining the upper limit for a length rounded to the nearest metre. Candidates do not need to calculate the limits for results derived from rounded data. - Limits of accuracy

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MCQ

Type

cambridge_mcq

Style

Topic

Limits of accuracy

Exam-style question

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What is the upper limit for a length of 8.6 m rounded to the nearest metre?.

  1. A.8.5 m
  2. B.9.0 m
  3. C.9.1 m
  4. D.8.6 m

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  • Topic focus: Limits of accuracy.
  • Question style: cambridge_mcq.
  • Reasoning demand: reasoning.
  • Check the operation, notation, units, and final answer form against the question before moving on.

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Paper 2 structured question: Limits of accuracy

Paper 2Core or Extended Mathematics1 marks

Description

Rounding Example

A length is measured as 15.7 cm and rounded to the nearest cm.

  1. a

    Calculate the upper limit for the rounded length.

    Aim for approximately 1 distinct marking point.

    [1]