Keystones — Cornerstone

Five GCSE retrieval questions · 27 October 2024 · mathsvault.uk/keystones

1. Number

Simplify: x⁴ × x⁴

Answer: x⁸
2. Algebra

Factorise: 7x² + 3x

Answer: x(7x + 3)
3. Geometry

Opposite = 12cm, hypotenuse = 24cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Find 39% of 97

Answer: 37.83
5. Statistics

What is the probability of rolling a 1 on a fair die?

Answer: ¹⁄₆

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.