Keystones — Cornerstone
Five GCSE retrieval questions · 11 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 94 + 40
Answer: 94 + 40 = 134 -
2. Algebra
Find the next term: 11, 15, 19, 23, ...
Answer: 27 -
3. Geometry
Opposite = 10cm, adjacent = 10cm. Calculate the angle
Answer: 45° -
4. Ratio
Calculate 25% of 139
Answer: 34.75 -
5. Statistics
Calculate the mean of: 41, 50, 40, 27, 12, 36, 33, 19
Answer: 32.3