Keystones — Capstone
Five GCSE retrieval questions · 8 July 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
Solve: x⁄7 = 1.5714285714286
Answer: x = 11 -
3. Geometry
Adjacent = 14cm, hypotenuse = 31cm. Find the angle
Answer: 63.2° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄2