Keystones — Lintel

Five GCSE retrieval questions · 6 July 2025 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₅ + ³⁄₅ + ⁵⁄₆

Answer: ⁶¹⁄₃₀
2. Algebra

Factorise: 8x² + 2x

Answer: 2x(4x + 1)
3. Geometry

Opposite = 8cm, adjacent = 19cm. Calculate the angle

Answer: 22.8°
4. Ratio

Find 40% of 119

Answer: 47.6
5. Statistics

Find the range of: 9, 22, 31, 23, -25

Answer: 56

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