Keystones — Bedrock

Five GCSE retrieval questions · 13 August 2025 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ¹⁄₆

Answer: ⁵⁄₆
2. Algebra

Expand: 6(x + 8)

Answer: 6x + 48
3. Geometry

Opposite = 8cm, hypotenuse = 16cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 6:18

Answer: 1:3
5. Statistics

Find the range of: 10, 19, 20, 8, 6

Answer: 14

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