Keystones — Cornerstone
Five GCSE retrieval questions · 27 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 35 + 62
Answer: 35 + 62 = 97 -
2. Algebra
Solve: x + 3 = 14
Answer: x = 11 -
3. Geometry
Opposite = 14cm, adjacent = 11cm. Calculate the angle
Answer: 51.8° -
4. Ratio
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics
Calculate the mean of: 33, 43, 14, 24, 6, 14
Answer: 22.3