Keystones — Lintel

Five GCSE retrieval questions · 7 July 2025 · mathsvault.uk/keystones

1. Number

Calculate: 873 + 707

Answer: 873 + 707 = 1580
2. Algebra

Solve: ^x⁄₃ = 7

Answer: x = 21
3. Geometry

A circle has area 615.8cm². Find its radius (dp)

Answer: 14cm
4. Ratio

Simplify: 8:4:8

Answer: 2:1:2
5. Statistics

A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?

Answer: ⁸⁄₁₃

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.