Cheatsheet · Grade 10 · 2 pages · PDF
Rearranging FormulasCheatsheet
The whole topic on a page or two, for the night before.
A complete 22-page IGCSE guide to rearranging formulas. It starts with the subject of a formula and the balance principle. It then teaches one-step and multi-step rearrangements, formulas with powers and roots, and formulas with fractions, including when the subject is in the denominator. Later sections cover the harder cases where the subject appears more than once (collect, factorise, divide), plus quadratic and nested-root rearrangements. Throughout, the notes use real formulas from geometry and physics. Every example is fully worked and checked by substituting back. It ends with a decision flowchart, a summary and exam tips.
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The full notes: one idea per page, a worked example beside every rule.
Read the first 4 pages€9.99Cheatsheet · 2 pages
Cheatsheet
The whole topic on a page or two, for the night before.
Read the first 2 pagesFree