Keystones — Lintel

Five GCSE retrieval questions · 2 June 2025 · mathsvault.uk/keystones

1. Number

Add: ²⁄₇ + ⁶⁄₈

Answer: ²⁹⁄₂₈
2. Algebra

Factorise fully: 6x² + 9x

Answer: 3x(2x + 3)
3. Geometry

Adjacent = 21cm, hypotenuse = 36cm. Find the angle

Answer: 54.3°
4. Ratio

Simplify: 20:24:16

Answer: 5:6:4
5. Statistics

A bag has 8 red and 6 blue balls. What is the probability of picking a red ball?

Answer: ⁴⁄₇

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.