Keystones — Capstone

Five GCSE retrieval questions · 3 February 2025 · mathsvault.uk/keystones

1. Number

0.068

Answer: 6.8 × 10^-2
2. Algebra

Solve: ^x⁄₈ = 2.75

Answer: x = 22
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 5 numbers is 38. If 4 of them are 18, 27, 19, 47, what is the missing number?

Answer: 79

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.