Keystones — Lintel

Five GCSE retrieval questions · 3 August 2026 · mathsvault.uk/keystones

1. Number

Calculate: 992 + 767

Answer: 1759
2. Algebra

Factorise fully: 15x² + 9x

Answer: 3x(5x + 3)
3. Geometry

Adjacent = 13cm, hypotenuse = 31cm. Find the angle

Answer: 65.2°
4. Ratio

Simplify: 4:4:6

Answer: 2:2:3
5. Statistics

A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?

Answer: ⁵⁄₁₁

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