Keystones — Lintel

Five GCSE retrieval questions · 4 November 2022 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₃ + ²⁄₄ + ³⁄₄

Answer: ²³⁄₁₂
2. Algebra

Factorise: 5x² + 2x

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

Adjacent = 18cm, hypotenuse = 26cm. Find the angle

Answer: 46.2°
4. Ratio

Calculate 28.4% of 203

Answer: 57.65
5. Statistics

Find the range of: 6, 26, -10, -3, -5

Answer: 36

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