Keystones — Capstone
Five GCSE retrieval questions · 12 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 684
Answer: 1674 -
2. Algebra
Solve: x⁄2 = 4.5
Answer: x = 9 -
3. Geometry
Find c if a = 17cm and b = 13cm in a right triangle
Answer: 21.4cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄14