Keystones — Cornerstone

Five GCSE retrieval questions · 28 November 2023 · mathsvault.uk/keystones

1. Number

Calculate: 790 + 352

Answer: 790 + 352 = 1142
2. Algebra

Factorise: 5x² + 2x

Answer: x(5x + 2)
3. Geometry

Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 24:15

Answer: 8:5
5. Statistics

What is the probability of rolling a 6 on a fair die?

Answer: ¹⁄₆

Same five questions for everyone on Cornerstone on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.