Keystones — Bedrock

Five GCSE retrieval questions · 2 May 2026 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₁₀ + ²⁄₁₀

Answer: ⁴⁄₅
2. Algebra

Find the next term: 17, 26, 35, 44, ...

Answer: 53
3. Geometry

Opposite = 12cm, hypotenuse = 24cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 50% of 137

Answer: 68.5
5. Statistics

Find the range of: 40, 37, 35, 19, 29

Answer: 21

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