Keystones — Capstone

Five GCSE retrieval questions · 11 March 2026 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₅ + ¹⁄₃ + ²⁄₅

Answer: ¹⁷⁄₁₅
2. Algebra

Complete the square: x² + 3.2x

Answer: (x + 1.6)² - 2.56
3. Geometry

Adjacent = 28cm, hypotenuse = 34cm. Find the angle

Answer: 34.6°
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

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

Answer: ³⁄₇

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.