Keystones — Lintel
Five GCSE retrieval questions · 2 March 2026 · mathsvault.uk/keystones
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1. Number
What is ∛64?
Answer: 4 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
A circle has area 254.5cm². Find its radius (dp)
Answer: 9cm -
4. Ratio
Calculate 18.5% of 934
Answer: 172.79 -
5. Statistics
Calculate the mean of: 30, 36, 11, 20, 12, 48
Answer: 26.2