Keystones — Capstone
Five GCSE retrieval questions · 27 July 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Simplify: 12x - 7x + 6y - y
Answer: 5x + 5y -
3. Geometry
Adjacent = 26cm, hypotenuse = 40cm. Find the angle
Answer: 49.5° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄9