Keystones — Capstone
Five GCSE retrieval questions · 16 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 642
Answer: 1638 -
2. Algebra
Solve: x⁄5 = 1.4
Answer: x = 7 -
3. Geometry
Find c if a = 17cm and b = 19cm in a right triangle
Answer: 25.5cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄10