Keystones — Cornerstone

Five GCSE retrieval questions · 2 September 2023 · mathsvault.uk/keystones

1. Number

Calculate: 447 + 198

Answer: 447 + 198 = 645
2. Algebra

Solve: 3x = 42

Answer: x = 14
3. Geometry

Opposite = 9cm, adjacent = 10cm. Calculate the angle

Answer: 42°
4. Ratio

Simplify: 8:12:12

Answer: 2:3:3
5. Statistics

What is the probability of rolling a 3 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.