Keystones — Lintel

Five GCSE retrieval questions · 23 September 2024 · mathsvault.uk/keystones

1. Number

Calculate: 289 + 820

Answer: 289 + 820 = 1109
2. Algebra

Factorise: 2x² + 2x

Answer: 2x(x + 1)
3. Geometry

Opposite = 12cm, adjacent = 16cm. Calculate the angle

Answer: 36.9°
4. Ratio

Simplify: 20:20:8

Answer: 5:5:2
5. Statistics

A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?

Answer: ¹⁄₂

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.