Keystones — Capstone

Five GCSE retrieval questions · 5 August 2026 · mathsvault.uk/keystones

1. Number

Simplify: √8 + √18

Answer: 2√2 + 3√2 = 5√2
2. Algebra

Solve: ^x⁄₇ = 5.5714285714286

Answer: x = 39
3. Geometry

Adjacent = 27cm, hypotenuse = 43cm. Find the angle

Answer: 51.1°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

A spinner has 2 red, 6 blue and 5 green sections. Probability of landing on red?

Answer: ²⁄₁₃

Same five questions for everyone on Capstone on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.