Keystones — Capstone
Five GCSE retrieval questions · 7 May 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: x⁄7 = 2.1428571428571
Answer: x = 15 -
3. Geometry
Adjacent = 27cm, hypotenuse = 44cm. Find the angle
Answer: 52.1° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3