Keystones — Cornerstone

Five GCSE retrieval questions · 17 January 2023 · mathsvault.uk/keystones

1. Number

Calculate: 43 + 27

Answer: 43 + 27 = 70
2. Algebra

Factorise: 12x + 28

Answer: 4(3x + 7)
3. Geometry

Opposite = 8cm, adjacent = 14cm. Calculate the angle

Answer: 29.7°
4. Ratio

Find 41% of 434

Answer: 177.94
5. Statistics

A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?

Answer: ⁸⁄₁₁

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.