Keystones — Lintel

Five GCSE retrieval questions · 26 July 2026 · mathsvault.uk/keystones

1. Number

Calculate: 992 + 572

Answer: 1564
2. Algebra

Factorise: 3x² + 9x

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

Adjacent = 17cm, hypotenuse = 24cm. Find the angle

Answer: 44.9°
4. Ratio

Simplify the ratio 5m:500cm

Answer: 1:100
5. Statistics

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

Answer: ²⁄₅

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.