Keystones — Bedrock

Five GCSE retrieval questions · 28 August 2025 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₉ + ¹⁄₉

Answer: ⁷⁄₉
2. Algebra

Find the next term: 22, 27, 32, 37, ...

Answer: 42
3. Geometry

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 16:8

Answer: 2:1
5. Statistics

Find the mean of: 14, 11, 5, 6, 14

Answer: 10

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