Keystones — Capstone

Five GCSE retrieval questions · 12 October 2025 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 144. What are the numbers?

Answer: 47, 48, and 49
2. Algebra

Solve: ^x⁄₇ = 1.1428571428571

Answer: x = 8
3. Geometry

Adjacent = 28cm, hypotenuse = 41cm. Find the angle

Answer: 46.9°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

The mean of 5 numbers is 24. If 4 of them are 41, 44, 26, 29, what is the missing number?

Answer: -20

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.