Keystones — Lintel

Five GCSE retrieval questions · 10 May 2025 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₂ + ²⁄₃ + ¹⁄₂

Answer: ⁵⁄₃
2. Algebra

Solve: ^x⁄₅ = 3.2

Answer: x = 16
3. Geometry

Opposite = 13cm, adjacent = 8cm. Calculate the angle

Answer: 58.4°
4. Ratio

Find 22% of 63

Answer: 13.86
5. Statistics

Find the range of: -26, 26, 5, -22, 10

Answer: 52

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