Keystones — Lintel

Five GCSE retrieval questions · 7 August 2022 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₄ + ⁴⁄₆ + ⁴⁄₆

Answer: ¹¹⁄₆
2. Algebra

Solve: 9x = 126

Answer: x = 14
3. Geometry

Adjacent = 12cm, hypotenuse = 18cm. Find the angle

Answer: 48.2°
4. Ratio

Find 65% of 374

Answer: 243.1
5. Statistics

Calculate the mean of: 32, 27, 19, 48, 18, 44, 8, 16

Answer: 26.5

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