Keystones — Cornerstone

Five GCSE retrieval questions · 11 February 2022 · mathsvault.uk/keystones

1. Number

Calculate: 95 + 45

Answer: 95 + 45 = 140
2. Algebra

Solve: 6x = 84

Answer: x = 14
3. Geometry

Opposite = 10cm, adjacent = 19cm. Calculate the angle

Answer: 27.8°
4. Ratio

Simplify: 10:12:10

Answer: 5:6:5
5. Statistics

A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?

Answer: ⁵⁄₁₃

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.