Keystones — Capstone
Five GCSE retrieval questions · 3 May 2026 · 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
Simplify: 5x - 3x + 3y - y
Answer: 2x + 2y -
3. Geometry
Adjacent = 24cm, hypotenuse = 38cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄14