Keystones — Capstone
Five GCSE retrieval questions · 28 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 1⁄6 + 2⁄6
Answer: 1⁄1 -
2. Algebra
Solve: x⁄8 = 2.125
Answer: x = 17 -
3. Geometry
Adjacent = 13cm, hypotenuse = 25cm. Find the angle
Answer: 58.7° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄9