Maths Monster
ALG.3.3

Rearrange formulae - for area, triangles and other familiar

Manipulate familiar formulae (e.g. for area, perimeter and right-angled triangles)

1 hand-picked video lesson for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 4–7 Core 🇬🇧 UK

The Maths Prof: Changing Subject of Formula

The Maths Prof 638K views

Clear full method for changing the subject of a formula, with worked GCSE-style examples.