Keystones — Capstone
Five GCSE retrieval questions · 14 November 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Factorise fully: 24x² + 16x
Answer: 4x(6x + 4) -
3. Geometry
Find the distance between (-6, -2) and (7, 6)
Answer: 15.26 -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2