Keystones — Bedrock

Five GCSE retrieval questions · 11 February 2026 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ¹⁄₆

Answer: ⁵⁄₆
2. Algebra

Find the next term: 23, 33, 43, 53, ...

Answer: 63
3. Geometry

Opposite = 13cm, hypotenuse = 26cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 24:12

Answer: 2:1
5. Statistics

Find the mean of: 16, 13, 14, 2

Answer: 11.25

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