Keystones — Cornerstone
Five GCSE retrieval questions · 9 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 638 + 294
Answer: 638 + 294 = 932 -
2. Algebra
Find the next term: 12, 20, 28, 36, ...
Answer: 44 -
3. Geometry
Calculate the area of a circle with diameter 12cm
Answer: 113.cm² -
4. Ratio
Simplify: 6:10:8
Answer: 3:5:4 -
5. Statistics
Find the mean of: 3, 16, 10, 2, 9
Answer: 8