Keystones — Capstone
Five GCSE retrieval questions · 13 March 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄7 = 4.8571428571429
Answer: x = 34 -
3. Geometry
Adjacent = 30cm, hypotenuse = 42cm. Find the angle
Answer: 44.4° -
4. Ratio
Calculate 49.1% of 518
Answer: 254.34 -
5. Statistics
A spinner has 2 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3