OCR GCSE Mathematics · J560
Specification 4.01b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
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GCSE Mathematics · key term
A whole number made by cubing an integer, such as . Perfect cubes help when estimating cube roots.
Used by OCR
Specification 4.01b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
For an expression containing a root, estimate the value inside the root first and aim for a nearby perfect square or perfect cube.
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