Keystones — Capstone
Five GCSE retrieval questions · 28 July 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: x⁄2 = 17
Answer: x = 34 -
3. Geometry
Adjacent = 13cm, hypotenuse = 26cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄12