Keystones — Cornerstone

Five GCSE retrieval questions · 19 July 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₁₂ + ¹⁄₁₂

Answer: ⁵⁄₁₂
2. Algebra

For y = x³, find y when x = 5

Answer: y = 125
3. Geometry

Find the perimeter of a right triangle with sides 3cm, 4cm, 5cm

Answer: 12cm
4. Ratio

Calculate 50% of 133

Answer: 66.5
5. Statistics

Calculate the mean of: 19, 39, 10, 43, 17, 45

Answer: 28.8

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.