Keystones — Capstone
Five GCSE retrieval questions · 26 August 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄4 = 4
Answer: x = 16 -
3. Geometry
Adjacent = 17cm, hypotenuse = 26cm. Find the angle
Answer: 49.2° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 4⁄13