Keystones — Lintel

Five GCSE retrieval questions · 7 April 2025 · mathsvault.uk/keystones

1. Number

Find the total of 260, 184, and 95

Answer: 539
2. Algebra

Solve: ^x⁄₆ = 5

Answer: x = 30
3. Geometry

Opposite = 13cm, adjacent = 18cm. Calculate the angle

Answer: 35.8°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

Calculate the mean of: 50, 41, 36, 34, 50, 45, 41

Answer: 42.4

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