Keystones — Bedrock

Five GCSE retrieval questions · 5 November 2025 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₁₁ + ²⁄₁₁

Answer: ⁵⁄₁₁
2. Algebra

Find the next term: 16, 25, 34, 43, ...

Answer: 52
3. Geometry

Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 8:12

Answer: 2:3
5. Statistics

Find the median of: 8, 15, 14, 20, 14

Answer: 14

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