Keystones — Lintel

Five GCSE retrieval questions · 1 December 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 92 + ? = 108

Answer: 16
2. Algebra

Solve: ^x⁄₆ = 1.1666666666667

Answer: x = 7
3. Geometry

Calculate the area of a circle with diameter 18cm

Answer: 254.47cm²
4. Ratio

Calculate 37.7% of 803

Answer: 302.73
5. Statistics

Find the range of: 22, -3, -7, -19, 23

Answer: 42

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