Keystones — Cornerstone
Five GCSE retrieval questions · 10 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 575 + 493
Answer: 575 + 493 = 1068 -
2. Algebra
Find the next term: 14, 19, 24, 29, ...
Answer: 34 -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 11cm
Answer: 12.53cm -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
Find the mean of: 10, 19, 13, 11, 20
Answer: 14.6