Keystones — Capstone
Five GCSE retrieval questions · 15 May 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Simplify: 8x - 5x + 6y - 2y
Answer: 3x + 4y -
3. Geometry
Adjacent = 20cm, hypotenuse = 32cm. Find the angle
Answer: 51.3° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄6