Keystones — Lintel

Five GCSE retrieval questions · 28 June 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 67 + ? = 126

Answer: 59
2. Algebra

Solve: ^x⁄₂ = 13

Answer: x = 26
3. Geometry

Adjacent = 25cm, hypotenuse = 43cm. Find the angle

Answer: 54.5°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

Find the range of: 4, 35, -14, 47, 42

Answer: 61

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