Keystones — Capstone

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

1. Number

The sum of three consecutive numbers is 123. What are the numbers?

Answer: 40, 41, and 42
2. Algebra

Solve: ^x⁄₆ = 2.1666666666667

Answer: x = 13
3. Geometry

Adjacent = 23cm, hypotenuse = 32cm. Find the angle

Answer: 44°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

The mean of 6 numbers is 21. If 5 of them are 34, 31, 32, 34, 37, what is the missing number?

Answer: -42

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.