CAIE IGCSE Mathematics Core rounding and estimation

Practise rounding answers to suitable accuracy, using decimal places, significant figures and nearest-unit wording in calculations.

Syllabus
2028–2030
Objective
C1.9.3
Level
Core

Exam points

  • give calculated answers to a stated number of significant figures or decimal places
  • use 1 significant figure rounded values to estimate before completing arithmetic

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