Keystones — Capstone
Five GCSE retrieval questions · 14 December 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄8 = 1.625
Answer: x = 13 -
3. Geometry
Adjacent = 28cm, hypotenuse = 47cm. Find the angle
Answer: 53.4° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄8