Keystones — Capstone

Five GCSE retrieval questions · 10 July 2023 · mathsvault.uk/keystones

1. Number

Simplify: √8 + √18

Answer: 2√2 + 3√2 = 5√2
2. Algebra

Solve: ^x⁄₇ = 3.7142857142857

Answer: x = 26
3. Geometry

Adjacent = 26cm, hypotenuse = 44cm. Find the angle

Answer: 53.8°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

The mean of 5 numbers is 28. If 4 of them are 17, 46, 36, 37, what is the missing number?

Answer: 4

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.