Keystones — Lintel

Five GCSE retrieval questions · 15 July 2024 · mathsvault.uk/keystones

1. Number

What is the missing number: 35 + ? = 191

Answer: 156
2. Algebra

Solve: ^x⁄₇ = 5.5714285714286

Answer: x = 39
3. Geometry

Adjacent = 18cm, hypotenuse = 29cm. Find the angle

Answer: 51.6°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

Find the range of: 9, 36, -2, -24, -24

Answer: 60

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