Keystones — Cornerstone

Five GCSE retrieval questions · 18 April 2022 · mathsvault.uk/keystones

1. Number

Calculate: 44 + 34

Answer: 44 + 34 = 78
2. Algebra

Factorise: 25x + 15

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

Find the area of a right triangle with base 12cm and height 5cm

Answer: 30cm²
4. Ratio

Simplify: 9:9:18

Answer: 1:1:2
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.