x

The core idea

The core idea

Flowchart showing m = n + kp with forward operations multiply by p and add n, and reverse operations subtract n and divide by p to isolate k

Rearranging a harder formula means isolating one variable so the final line has xxx on its own on one side. The safest idea is balance: whatever you do to one side, you must do to the other side.

Rearranging Harder Formulae Lesson

  1. IGCSE
  2. /Maths
  3. /Rearranging Harder Formulae

Step-by-step lessons covering Edexcel IGCSE Maths Rearranging Harder Formulae 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

SurdsBoundsDirect and Inverse ProportionQuadratic FormulaFactorising Harder QuadraticsAlgebraic FractionsRearranging Harder FormulaeFinding the Area of Any TriangleThe Sine RuleThe Cosine Rule3d Pythagoras and TrigonometryThe Magnitude of a VectorHistogramsConditional Probability