Keystones — Bedrock

Five GCSE retrieval questions · 29 November 2025 · mathsvault.uk/keystones

1. Number

Calculate: ⁷⁄₁₁ + ²⁄₁₁

Answer: ⁹⁄₁₁
2. Algebra

Solve: x + 14 = 30

Answer: x = 16
3. Geometry

Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:20

Answer: 3:4
5. Statistics

Find the median of: 19, 6, 16, 5, 9

Answer: 9

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