Keystones — Lintel

Five GCSE retrieval questions · 4 September 2022 · mathsvault.uk/keystones

1. Number

What is ∛27?

Answer: 3
2. Algebra

Solve: ^x⁄₅ = 3.6

Answer: x = 18
3. Geometry

Opposite = 10cm, adjacent = 11cm. Calculate the angle

Answer: 42.3°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

Calculate the mean of: 19, 43, 19, 14, 11, 30

Answer: 22.7

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