Keystones — Capstone
Five GCSE retrieval questions · 3 November 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄4 = 1.75
Answer: x = 7 -
3. Geometry
Adjacent = 22cm, hypotenuse = 27cm. Find the angle
Answer: 35.4° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄7