Keystones — Capstone
Five GCSE retrieval questions · 4 February 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Simplify: 17x²y³ ÷ 3xy²
Answer: 5.6666666666667xy -
3. Geometry
Adjacent = 22cm, hypotenuse = 39cm. Find the angle
Answer: 55.7° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄5