Keystones — Capstone
Five GCSE retrieval questions · 18 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 2⁄5 + 4⁄5
Answer: 23⁄15 -
2. Algebra
Solve: x⁄2 = 11.5
Answer: x = 23 -
3. Geometry
Adjacent = 20cm, hypotenuse = 28cm. Find the angle
Answer: 44.4° -
4. Ratio
Calculate 30.1% of 520
Answer: 156.52 -
5. Statistics
A spinner has 3 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄11