Keystones — Capstone
Five GCSE retrieval questions · 9 June 2026 · 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⁄7 = 2.5714285714286
Answer: x = 18 -
3. Geometry
Adjacent = 20cm, hypotenuse = 32cm. Find the angle
Answer: 51.3° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄8