Keystones — Lintel

Five GCSE retrieval questions · 19 November 2024 · mathsvault.uk/keystones

1. Number

Calculate: 993 + 732

Answer: 1725
2. Algebra

Solve: ^x⁄₂ = 11

Answer: x = 22
3. Geometry

Adjacent = 19cm, hypotenuse = 25cm. Find the angle

Answer: 40.5°
4. Ratio

Find 70% of 174

Answer: 121.8
5. Statistics

Calculate the mean of: 18, 9, 14, 31, 19, 23, 20, 31

Answer: 20.6

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