Keystones — Lintel

Five GCSE retrieval questions · 28 October 2024 · mathsvault.uk/keystones

1. Number

Calculate: 171 + 559

Answer: 171 + 559 = 730
2. Algebra

Factorise: 4x² + 4x

Answer: 4x(x + 1)
3. Geometry

Opposite = 17cm, adjacent = 15cm. Calculate the angle

Answer: 48.6°
4. Ratio

Simplify: 9:12:15

Answer: 3:4:5
5. Statistics

A bag has 3 red and 3 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.