Keystones — Lintel

Five GCSE retrieval questions · 25 September 2025 · mathsvault.uk/keystones

1. Number

Calculate: 918 + 741

Answer: 918 + 741 = 1659
2. Algebra

Solve: ^x⁄₈ = 3.875

Answer: x = 31
3. Geometry

Adjacent = 22cm, hypotenuse = 41cm. Find the angle

Answer: 57.5°
4. Ratio

Simplify the ratio 5m:500cm

Answer: 1:100
5. Statistics

Calculate the mean of: 30, 49, 27, 47, 11, 21

Answer: 30.8

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.