Keystones — Capstone
Five GCSE retrieval questions · 17 February 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Solve: x⁄3 = 6.3333333333333
Answer: x = 19 -
3. Geometry
Adjacent = 30cm, hypotenuse = 43cm. Find the angle
Answer: 45.8° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 4⁄11