Keystones — Cornerstone

Five GCSE retrieval questions · 28 March 2025 · mathsvault.uk/keystones

1. Number

Add: ³⁄₇ + ³⁄₅

Answer: ³⁶⁄₃₅
2. Algebra

Collect like terms: 5x + 2y + 7x + 4y

Answer: 12x + 6y
3. Geometry

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 25% of 52

Answer: 13
5. Statistics

Find the mean of: 13, 20, 6, 16, 3

Answer: 11.6

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.