Keystones — Bedrock

Five GCSE retrieval questions · 3 August 2026 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₁₁ + ⁶⁄₁₁

Answer: ⁹⁄₁₁
2. Algebra

Factorise: 12x + 28

Answer: 4(3x + 7)
3. Geometry

Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 16:8

Answer: 2:1
5. Statistics

Find the mean of: 6, 18, 16, 3, 3

Answer: 9.2

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