Edexcel IGCSE Maths 复习笔记 2.5.1 Rearranging Formulae - Basics

Edexcel IGCSE Maths复习笔记 2.5.1 Rearranging Formulae - Basics

Choosing a method

• There are lots of different ways of remembering what to do when rearranging formulae – every teacher (and student) has their favourite, this is my recommendation....

GROF GROBLET FIND ANSWER

• This is a mnemonic (way of remembering something) deals with everything except roots and powers (see the following set of notes for that) and can also be used for solving equations…1. GROF – Get Rid Of Fractions2. GROB – Get Rid Of Brackets3. LET – Lump Everything Together (or Let’s Examine Terms)4. FIN – Factorise If Necessary

  5. D – Divide ANSWER!

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