Keystones — Lintel

Five GCSE retrieval questions · 6 August 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₂ + ²⁄₃ + ²⁄₃

Answer: ¹¹⁄₆
2. Algebra

Factorise: 3x² + 9x

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

Opposite = 18cm, adjacent = 13cm. Calculate the angle

Answer: 54.2°
4. Ratio

Find 81% of 338

Answer: 273.78
5. Statistics

Find the range of: 0, -24, 14, 48, 32

Answer: 72

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