Keystones — Capstone
Five GCSE retrieval questions · 10 March 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄8 = 1.125
Answer: x = 9 -
3. Geometry
Adjacent = 19cm, hypotenuse = 33cm. Find the angle
Answer: 54.8° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄12