Keystones — Bedrock

Five GCSE retrieval questions · 28 April 2026 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₁₁ + ³⁄₁₁

Answer: ⁶⁄₁₁
2. Algebra

Find the next term: 29, 34, 39, 44, ...

Answer: 49
3. Geometry

Opposite = 15cm, hypotenuse = 30cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 12:6

Answer: 2:1
5. Statistics

Find the mean of: 20, 5, 18, 17

Answer: 15

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