Keystones — Cornerstone

Five GCSE retrieval questions · 5 November 2022 · mathsvault.uk/keystones

1. Number

170000

Answer: 1.7 × 10⁵
2. Algebra

Factorise: 12x + 20

Answer: 4(3x + 5)
3. Geometry

Find the distance between (3, 3) and (6, 8)

Answer: 5.83
4. Ratio

Calculate 25% of 154

Answer: 38.5
5. Statistics

Find the mean of: 20, 17, 4, 12, 6

Answer: 11.8

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.