Keystones — Lintel

Five GCSE retrieval questions · 30 July 2022 · mathsvault.uk/keystones

1. Number

Add: ²⁄₈ + ¹⁄₃

Answer: ⁷⁄₁₂
2. Algebra

Solve: ^x⁄₇ = 0.85714285714286

Answer: x = 6
3. Geometry

Adjacent = 19cm, hypotenuse = 32cm. Find the angle

Answer: 53.6°
4. Ratio

Find 80% of 255

Answer: 204
5. Statistics

Calculate the mean of: 11, 45, 49, 14, 35, 20

Answer: 29

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