Keystones — Capstone
Five GCSE retrieval questions · 2 July 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄5 = 6.4
Answer: x = 32 -
3. Geometry
Adjacent = 12cm, hypotenuse = 31cm. Find the angle
Answer: 67.2° -
4. Ratio
Calculate 23.7% of 915
Answer: 216.86 -
5. Statistics
A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄8