Keystones — Bedrock

Five GCSE retrieval questions · 30 April 2024 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₅ + ¹⁄₅

Answer: ⁴⁄₅
2. Algebra

Factorise: 48x + 36

Answer: 6(8x + 6)
3. Geometry

Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 18:24

Answer: 3:4
5. Statistics

Find the range of: 16, 30, 38, 32, 28

Answer: 22

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