Keystones — Bedrock

Five GCSE retrieval questions · 15 May 2022 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₅ + ¹⁄₅

Answer: ²⁄₅
2. Algebra

Factorise: 9x + 6

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

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

Answer: 45° (approximately)
4. Ratio

Calculate 25% of 95

Answer: 23.75
5. Statistics

Find the mean of: 13, 18, 20, 9

Answer: 15

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