Keystones — Capstone
Five GCSE retrieval questions · 27 June 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Simplify: 9x - 4x + 4y - y
Answer: 5x + 3y -
3. Geometry
Adjacent = 18cm, hypotenuse = 30cm. Find the angle
Answer: 53.1° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 4⁄13