Keystones — Capstone

Five GCSE retrieval questions · 20 July 2026 · mathsvault.uk/keystones

1. Number

Simplify: √8 + √18

Answer: 2√2 + 3√2 = 5√2
2. Algebra

Solve: ^x⁄₃ = 11.333333333333

Answer: x = 34
3. Geometry

Adjacent = 16cm, hypotenuse = 23cm. Find the angle

Answer: 45.9°
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

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

Answer: ⁵⁄₁₄

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.