Keystones — Lintel

Five GCSE retrieval questions · 8 July 2025 · mathsvault.uk/keystones

1. Number

Calculate: 545 + 749

Answer: 545 + 749 = 1294
2. Algebra

Solve: ^x⁄₈ = 5

Answer: x = 40
3. Geometry

A circle has area 113.cm². Find its radius (dp)

Answer: 6cm
4. Ratio

Find 26% of 84

Answer: 21.84
5. Statistics

Calculate the mean of: 34, 9, 14, 30, 18, 35, 6

Answer: 20.9

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