Keystones — Lintel

Five GCSE retrieval questions · 13 March 2026 · mathsvault.uk/keystones

1. Number

Add: ¹⁄₆ + ²⁄₈

Answer: ⁵⁄₁₂
2. Algebra

Factorise fully: 20x² + 24x

Answer: 4x(5x + 6)
3. Geometry

Opposite = 17cm, adjacent = 15cm. Calculate the angle

Answer: 48.6°
4. Ratio

Simplify: 12:20:12

Answer: 3:5:3
5. Statistics

Find the range of: -12, 32, -29, 13, -16

Answer: 61

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.