Keystones — Cornerstone

Five GCSE retrieval questions · 1 March 2026 · mathsvault.uk/keystones

1. Number

3000

Answer: 3 × 10³
2. Algebra

Simplify: 5x + 2x

Answer: 7x
3. Geometry

Find the area of a circle with radius 8cm

Answer: 201.06cm²
4. Ratio

Simplify the ratio 12:8

Answer: 3:2
5. Statistics

Find the mean of: 10, 11, 14, 4, 6

Answer: 9

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.