Keystones — Capstone

Five GCSE retrieval questions · 31 October 2025 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 120. What are the numbers?

Answer: 39, 40, and 41
2. Algebra

Solve: ^x⁄₃ = 12.333333333333

Answer: x = 37
3. Geometry

Adjacent = 23cm, hypotenuse = 37cm. Find the angle

Answer: 51.6°
4. Ratio

Simplify the ratio 8m:800cm

Answer: 1:100
5. Statistics

The mean of 4 numbers is 22. If 3 of them are 18, 38, 48, what is the missing number?

Answer: -16

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.