Keystones — Capstone
Five GCSE retrieval questions · 24 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 652
Answer: 1646 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 28cm, hypotenuse = 48cm. Find the angle
Answer: 54.3° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 26. If 5 of them are 23, 30, 17, 36, 35, what is the missing number?
Answer: 15