Keystones — Capstone
Five GCSE retrieval questions · 19 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄6 + 1⁄2 + 5⁄6
Answer: 11⁄6 -
2. Algebra
Solve: x⁄2 = 16.5
Answer: x = 33 -
3. Geometry
Adjacent = 27cm, hypotenuse = 39cm. Find the angle
Answer: 46.2° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 36. If 3 of them are 34, 34, 35, what is the missing number?
Answer: 41