Keystones — Lintel

Five GCSE retrieval questions · 21 November 2023 · mathsvault.uk/keystones

1. Number

Calculate: 995 + 705

Answer: 1700
2. Algebra

Solve: ^x⁄₈ = 1.25

Answer: x = 10
3. Geometry

Adjacent = 18cm, hypotenuse = 35cm. Find the angle

Answer: 59.1°
4. Ratio

Find 35% of 452

Answer: 158.2
5. Statistics

Calculate the mean of: 13, 28, 36, 43, 12, 45, 31, 47

Answer: 31.9

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