3:32 Unitary Method - Corbettmaths
Corbettmaths shows the unitary method clearly: find the value of one, then scale up.
The unitary method
Use the unitary method to solve problems
2 hand-picked video lessons 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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5:03 The Unitary Method (1 of 2: Introduction and Example)
Eddie Woo explains the unitary method with a clear worked example and strong reasoning.