Keystones — Capstone

Five GCSE retrieval questions · 10 August 2025 · mathsvault.uk/keystones

1. Number

Calculate: 992 + 789

Answer: 1781
2. Algebra

Solve: ^x⁄₃ = 11.333333333333

Answer: x = 34
3. Geometry

Adjacent = 13cm, hypotenuse = 32cm. Find the angle

Answer: 66°
4. Ratio

Simplify the ratio 8m:800cm

Answer: 1:100
5. Statistics

The mean of 4 numbers is 25. If 3 of them are 44, 34, 22, what is the missing number?

Answer: 0

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