Keystones — Lintel

Five GCSE retrieval questions · 21 May 2024 · mathsvault.uk/keystones

1. Number

Calculate: ³⁄₄ + ¹⁄₂ + ⁵⁄₆

Answer: ²⁵⁄₁₂
2. Algebra

Factorise fully: 8x² + 24x

Answer: 4x(2x + 6)
3. Geometry

Adjacent = 17cm, hypotenuse = 35cm. Find the angle

Answer: 60.9°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

Find the range of: -1, -10, 26, 7, 26

Answer: 36

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