Keystones — Cornerstone
Five GCSE retrieval questions · 30 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 498 + 449
Answer: 498 + 449 = 947 -
2. Algebra
Find the next term: 11, 19, 27, 35, ...
Answer: 43 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics
Find the mean of: 13, 14, 12, 15
Answer: 13.5