Keystones — Capstone
Five GCSE retrieval questions · 8 May 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Simplify: 7x - 2x + 10y - 8y
Answer: 5x + 2y -
3. Geometry
Adjacent = 29cm, hypotenuse = 49cm. Find the angle
Answer: 53.7° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄6