Keystones — Capstone
Five GCSE retrieval questions · 11 August 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Simplify: 26x²y³ ÷ 3xy²
Answer: 8.6666666666667xy -
3. Geometry
Adjacent = 13cm, hypotenuse = 26cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2