Keystones — Capstone

Five GCSE retrieval questions · 27 April 2025 · mathsvault.uk/keystones

1. Number

Find the missing number: 2.26 + □ = 13.35

Answer: □ = 11.09
2. Algebra

Solve: ^x⁄₇ = 3.4285714285714

Answer: x = 24
3. Geometry

Adjacent = 26cm, hypotenuse = 45cm. Find the angle

Answer: 54.7°
4. Ratio

Calculate 21.1% of 928

Answer: 195.81
5. Statistics

The mean of 6 numbers is 28. If 5 of them are 20, 36, 27, 20, 50, what is the missing number?

Answer: 15

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.