Keystones — Lintel

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

1. Number

Add: ¹⁄₄ + ⁵⁄₈

Answer: ⁷⁄₈
2. Algebra

Solve: ^x⁄₅ = 6

Answer: x = 30
3. Geometry

A right triangle has hypotenuse 10cm and one side 6cm. Find its area

Answer: 24cm²
4. Ratio

Calculate 45.3% of 671

Answer: 303.96
5. Statistics

Find the range of: -22, 48, -14, -4, -23

Answer: 71

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