Keystones — Capstone

Five GCSE retrieval questions · 25 September 2025 · mathsvault.uk/keystones

1. Number

Calculate: 998 + 845

Answer: 1843
2. Algebra

Solve: ^x⁄₃ = 12.666666666667

Answer: x = 38
3. Geometry

Adjacent = 30cm, hypotenuse = 38cm. Find the angle

Answer: 37.9°
4. Ratio

Simplify the ratio 5m:500cm

Answer: 1:100
5. Statistics

The mean of 6 numbers is 21. If 5 of them are 16, 19, 33, 31, 25, what is the missing number?

Answer: 2

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.