Keystones — Cornerstone

Five GCSE retrieval questions · 6 August 2022 · mathsvault.uk/keystones

1. Number

Add: ²⁄₅ + ³⁄₄

Answer: ²³⁄₂₀
2. Algebra

Factorise: 16x + 6

Answer: 2(8x + 3)
3. Geometry

Opposite = 13cm, hypotenuse = 26cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify: 6:15:15

Answer: 2:5:5
5. Statistics

Calculate the mean of: 14, 29, 8, 39, 41, 20, 32

Answer: 26.1

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.