Keystones — Capstone
Five GCSE retrieval questions · 22 June 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄7 = 2.5714285714286
Answer: x = 18 -
3. Geometry
Adjacent = 23cm, hypotenuse = 34cm. Find the angle
Answer: 47.4° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄7