Keystones — Bedrock

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

1. Number

Calculate: ³⁄₅ + ¹⁄₅

Answer: ⁴⁄₅
2. Algebra

Factorise: 12x + 10

Answer: 2(6x + 5)
3. Geometry

Opposite = 5cm, hypotenuse = 7.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 20:24

Answer: 5:6
5. Statistics

Find the range of: 12, 28, 41, 36, 27

Answer: 29

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