Keystones — Lintel

Five GCSE retrieval questions · 29 June 2022 · mathsvault.uk/keystones

1. Number

Add: ¹⁄₈ + ⁴⁄₅

Answer: ³⁷⁄₄₀
2. Algebra

Expand: 3(2x + 2)

Answer: 6x + 6
3. Geometry

Opposite = 16cm, adjacent = 15cm. Calculate the angle

Answer: 46.8°
4. Ratio

Calculate 34.8% of 551

Answer: 191.75
5. Statistics

Calculate the mean of: 30, 28, 39, 16, 50, 14

Answer: 29.5

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