Keystones — Lintel

Five GCSE retrieval questions · 11 April 2024 · mathsvault.uk/keystones

1. Number

Calculate: (-18) + (-18) + (-7)

Answer: -43
2. Algebra

Solve: ^x⁄₄ = 2

Answer: x = 8
3. Geometry

Adjacent = 24cm, hypotenuse = 31cm. Find the angle

Answer: 39.3°
4. Ratio

Calculate 28.5% of 770

Answer: 219.45
5. Statistics

Calculate the mean of: 32, 27, 45, 10, 43, 13

Answer: 28.3

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