Keystones — Lintel

Five GCSE retrieval questions · 10 December 2024 · mathsvault.uk/keystones

1. Number

Add: ⁴⁄₆ + ³⁄₅

Answer: ¹⁹⁄₁₅
2. Algebra

Factorise: 4x² + 9x

Answer: x(4x + 9)
3. Geometry

Adjacent = 20cm, hypotenuse = 40cm. Find the angle

Answer: 60°
4. Ratio

Find 48% of 234

Answer: 112.32
5. Statistics

Calculate the mean of: 35, 23, 5, 38, 17, 16, 38, 47

Answer: 27.4

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