Keystones — Capstone

Five GCSE retrieval questions · 24 June 2025 · mathsvault.uk/keystones

1. Number

Simplify: y² × y² × y⁴

Answer: y⁸
2. Algebra

Solve: ^x⁄₃ = 5.6666666666667

Answer: x = 17
3. Geometry

Find the distance between (-1, -1) and (9, 5)

Answer: 11.66
4. Ratio

Calculate 30.6% of 324

Answer: 99.14
5. Statistics

The mean of 4 numbers is 39. If 3 of them are 24, 36, 45, what is the missing number?

Answer: 51

Same five questions for everyone on Capstone on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.