Keystones — Lintel
Five GCSE retrieval questions · 4 June 2023 · mathsvault.uk/keystones
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1. Number
What is ∛125?
Answer: 5 -
2. Algebra
Factorise fully: 12x² + 14x
Answer: 2x(6x + 7) -
3. Geometry
Calculate the perimeter of a right triangle with sides 12cm and 7cm
Answer: 32.9cm -
4. Ratio
Calculate 19.6% of 367
Answer: 71.93 -
5. Statistics
Calculate the mean of: 36, 27, 43, 50, 44, 32, 27
Answer: 37