Keystones — Lintel

Five GCSE retrieval questions · 19 February 2026 · mathsvault.uk/keystones

1. Number

What is the missing number: 87 + ? = 200

Answer: 113
2. Algebra

Solve: ^x⁄₆ = 5.1666666666667

Answer: x = 31
3. Geometry

Opposite = 14cm, adjacent = 14cm. Calculate the angle

Answer: 45°
4. Ratio

Simplify: 15:6:15

Answer: 5:2:5
5. Statistics

A spinner has 4 red, 2 blue and 6 green sections. Probability of landing on red?

Answer: ¹⁄₃

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.