Keystones — Capstone
Five GCSE retrieval questions · 20 April 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Factorise fully: 12x² + 12x
Answer: 3x(4x + 4) -
3. Geometry
Adjacent = 15cm, hypotenuse = 29cm. Find the angle
Answer: 58.9° -
4. Ratio
Calculate 33% of 225
Answer: 74.25 -
5. Statistics
A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄11