Keystones — Lintel

Five GCSE retrieval questions · 19 May 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ⁴⁄₅ + ¹⁄₂

Answer: ⁵⁹⁄₃₀
2. Algebra

Factorise fully: 6x² + 10x

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

Adjacent = 15cm, hypotenuse = 34cm. Find the angle

Answer: 63.8°
4. Ratio

Calculate 26.2% of 574

Answer: 150.39
5. Statistics

Find the range of: -8, 13, -26, -18, 21

Answer: 47

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