Keystones — Cornerstone

Five GCSE retrieval questions · 6 March 2025 · mathsvault.uk/keystones

1. Number

270000

Answer: 2.7 × 10⁵
2. Algebra

Simplify: 5x + 5x

Answer: 10x
3. Geometry

Opposite = 18cm, adjacent = 17cm. Calculate the angle

Answer: 46.6°
4. Ratio

Calculate 10% of 112

Answer: 11.2
5. Statistics

Find the mean of: 2, 14, 4, 7, 3

Answer: 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.