Keystones — Cornerstone

Five GCSE retrieval questions · 1 September 2024 · mathsvault.uk/keystones

1. Number

Calculate: 81 + 59

Answer: 81 + 59 = 140
2. Algebra

Solve: x + 15 = 28

Answer: x = 13
3. Geometry

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Find 62% of 499

Answer: 309.38
5. Statistics

What is the probability of rolling a 2 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.