Keystones — Capstone
Five GCSE retrieval questions · 3 February 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
Simplify: 7x - 6x + 7y - 3y
Answer: x + 4y -
3. Geometry
Adjacent = 13cm, hypotenuse = 30cm. Find the angle
Answer: 64.3° -
4. Ratio
Calculate 21.4% of 418
Answer: 89.45 -
5. Statistics
A spinner has 5 red, 4 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄14