Keystones — Lintel

Five GCSE retrieval questions · 28 July 2024 · mathsvault.uk/keystones

1. Number

What is the missing number: 42 + ? = 124

Answer: 82
2. Algebra

Solve: ^x⁄₆ = 4.3333333333333

Answer: x = 26
3. Geometry

Adjacent = 29cm, hypotenuse = 46cm. Find the angle

Answer: 50.9°
4. Ratio

Simplify: 12:6:8

Answer: 6:3:4
5. Statistics

Find the range of: 20, 24, 21, 11, -27

Answer: 51

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