Keystones — Capstone
Five GCSE retrieval questions · 7 June 2026 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Simplify: 32x²y³ ÷ 3xy²
Answer: 10.666666666667xy -
3. Geometry
Find c if a = 13cm and b = 16cm in a right triangle
Answer: 20.6cm -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄5