Keystones — Capstone
Five GCSE retrieval questions · 2 August 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⁄5 = 1.2
Answer: x = 6 -
3. Geometry
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 5⁄16