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Calculator rules that prevent easy errors

Calculator rules that prevent easy errors

A calculator is fast, but it only follows what you type. Most mistakes come from missing brackets, typing a fraction badly, or rounding before the end.

Using a Calculator Lesson

  1. IGCSE
  2. /Maths
  3. /Using a Calculator

Step-by-step lessons covering Edexcel IGCSE Maths Using a Calculator for IGCSE Maths. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons

Calculation ProblemsUsing a CalculatorSystematic ListingFractions of an AmountFractions, Decimals and PercentagesWriting an ExpressionAnglesArea and PerimeterProbabilityAveragesPie Charts