Keystones — Capstone

Five GCSE retrieval questions · 4 October 2025 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 150. What are the numbers?

Answer: 49, 50, and 51
2. Algebra

Solve: ^x⁄₃ = 12.666666666667

Answer: x = 38
3. Geometry

Adjacent = 22cm, hypotenuse = 39cm. Find the angle

Answer: 55.7°
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

The mean of 5 numbers is 29. If 4 of them are 46, 24, 23, 20, what is the missing number?

Answer: 32

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.