Keystones — Lintel

Five GCSE retrieval questions · 5 January 2025 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₃ + ¹⁄₂ + ⁴⁄₆

Answer: ¹¹⁄₆
2. Algebra

For y = x³ + 5, calculate y when x = 4

Answer: y = 69
3. Geometry

Adjacent = 16cm, hypotenuse = 27cm. Find the angle

Answer: 53.7°
4. Ratio

Calculate 46.3% of 611

Answer: 282.89
5. Statistics

Calculate the mean of: 26, 44, 43, 20, 40, 31

Answer: 34

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