Keystones — Bedrock

Five GCSE retrieval questions · 29 August 2024 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₅ + ¹⁄₅

Answer: ⁴⁄₅
2. Algebra

Factorise: 6x + 9

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

Opposite = 7cm, hypotenuse = 8.cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 8:16

Answer: 1:2
5. Statistics

Find the mean of: 11, 20, 17

Answer: 16

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