Keystones — Lintel

Five GCSE retrieval questions · 17 August 2023 · mathsvault.uk/keystones

1. Number

Calculate: 991 + 809

Answer: 1800
2. Algebra

Solve: ^x⁄₃ = 8

Answer: x = 24
3. Geometry

Adjacent = 13cm, hypotenuse = 31cm. Find the angle

Answer: 65.2°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

Calculate the mean of: 33, 25, 36, 32, 37, 9, 33, 37

Answer: 30.3

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