Keystones — Cornerstone

Five GCSE retrieval questions · 13 February 2025 · mathsvault.uk/keystones

1. Number

Calculate: 32 + 70

Answer: 32 + 70 = 102
2. Algebra

Factorise: 7x² + 4x

Answer: x(7x + 4)
3. Geometry

Opposite = 19cm, adjacent = 11cm. Calculate the angle

Answer: 59.9°
4. Ratio

Simplify: 8:4:12

Answer: 2:1:3
5. Statistics

What is the probability of getting heads when flipping a fair coin?

Answer: ¹⁄₂

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.