Keystones — Cornerstone

Five GCSE retrieval questions · 13 November 2024 · mathsvault.uk/keystones

1. Number

Simplify: 2² × 2³

Answer: 2⁵
2. Algebra

Solve: 4x = 52

Answer: x = 13
3. Geometry

Calculate the area of a circle with diameter 16cm

Answer: 201.06cm²
4. Ratio

Simplify the ratio 6:16

Answer: 3:8
5. Statistics

Find the range of: 13, 13, 26, 24, 5

Answer: 21

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