Keystones — Capstone
Five GCSE retrieval questions · 19 July 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Solve: x⁄7 = 2.2857142857143
Answer: x = 16 -
3. Geometry
Adjacent = 16cm, hypotenuse = 33cm. Find the angle
Answer: 61° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄9