Keystones — Capstone
Five GCSE retrieval questions · 10 January 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Simplify: 18x²y³ ÷ 6xy²
Answer: 3xy -
3. Geometry
Adjacent = 28cm, hypotenuse = 42cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 31.1% of 420
Answer: 130.62 -
5. Statistics
A spinner has 6 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄2