Keystones — Capstone
Five GCSE retrieval questions · 26 March 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 18cm, hypotenuse = 25cm. Find the angle
Answer: 43.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄7