Keystones — Bedrock

Five GCSE retrieval questions · 13 July 2026 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₁₂ + ¹⁄₁₂

Answer: ⁷⁄₁₂
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 20:32

Answer: 5:8
5. Statistics

Find the mean of: 13, 13, 20

Answer: 15.333333333333

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