Keystones — Lintel

Five GCSE retrieval questions · 30 September 2023 · mathsvault.uk/keystones

1. Number

Add: ²⁄₃ + ⁴⁄₅

Answer: ²²⁄₁₅
2. Algebra

Solve: 6x = 66

Answer: x = 11
3. Geometry

Adjacent = 17cm, hypotenuse = 25cm. Find the angle

Answer: 47.2°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

Calculate the mean of: 16, 39, 32, 23, 49, 14

Answer: 28.8

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