Keystones — Capstone

Five GCSE retrieval questions · 22 February 2026 · 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 = 5.6666666666667

Answer: x = 17
3. Geometry

Adjacent = 14cm, hypotenuse = 19cm. Find the angle

Answer: 42.5°
4. Ratio

Simplify the ratio 8m:800cm

Answer: 1:100
5. Statistics

The mean of 6 numbers is 36. If 5 of them are 23, 48, 22, 29, 28, what is the missing number?

Answer: 66

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.