Keystones — Lintel

Five GCSE retrieval questions · 12 February 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₂ + ¹⁄₃ + ³⁄₆

Answer: ⁴⁄₃
2. Algebra

Solve: ^x⁄₅ = 3.6

Answer: x = 18
3. Geometry

Opposite = 14cm, adjacent = 14cm. Calculate the angle

Answer: 45°
4. Ratio

Simplify: 12:20:16

Answer: 3:5:4
5. Statistics

Find the range of: -21, -19, 15, -14, 47

Answer: 68

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