Keystones — Cornerstone
Five GCSE retrieval questions · 7 February 2026 · mathsvault.uk/keystones
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1. Number
Find the total of 295, 195, and 90
Answer: 580 -
2. Algebra
Find the next term: 14, 20, 26, 32, ...
Answer: 38 -
3. Geometry
Opposite = 9cm, adjacent = 8cm. Calculate the angle
Answer: 48.4° -
4. Ratio
Calculate 10% of 185
Answer: 18.5 -
5. Statistics
Find the mean of: 15, 7, 20, 20, 7
Answer: 13.8