Keystones — Lintel

Five GCSE retrieval questions · 17 March 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₅ + ¹⁄₂ + ²⁄₅

Answer: ¹¹⁄₁₀
2. Algebra

Solve: ^x⁄₈ = 4.25

Answer: x = 34
3. Geometry

Opposite = 11cm, adjacent = 18cm. Calculate the angle

Answer: 31.4°
4. Ratio

Simplify: 18:12:18

Answer: 3:2:3
5. Statistics

Find the range of: 5, -7, -11, 45, 44

Answer: 56

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