Keystones — Capstone

Five GCSE retrieval questions · 20 November 2025 · mathsvault.uk/keystones

1. Number

Simplify: √8 + √18

Answer: 2√2 + 3√2 = 5√2
2. Algebra

Solve: ^x⁄₈ = 1.625

Answer: x = 13
3. Geometry

Adjacent = 13cm, hypotenuse = 32cm. Find the angle

Answer: 66°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?

Answer: ³⁄₁₄

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.