Keystones — Lintel

Five GCSE retrieval questions · 14 October 2025 · mathsvault.uk/keystones

1. Number

What is 2.3 + 3.35 + 0.54?

Answer: 2.3 + 3.35 + 0.54 = 6.19
2. Algebra

Solve: ^x⁄₅ = 1.6

Answer: x = 8
3. Geometry

Adjacent = 13cm, hypotenuse = 23cm. Find the angle

Answer: 55.6°
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.