Keystones — Capstone
Five GCSE retrieval questions · 28 July 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Solve: x⁄8 = 2
Answer: x = 16 -
3. Geometry
Adjacent = 28cm, hypotenuse = 41cm. Find the angle
Answer: 46.9° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄10