Keystones — Lintel

Five GCSE retrieval questions · 31 December 2024 · mathsvault.uk/keystones

1. Number

Add: ⁶⁄₈ + ⁵⁄₇

Answer: ⁴¹⁄₂₈
2. Algebra

Solve: ^x⁄₈ = 3.375

Answer: x = 27
3. Geometry

Opposite = 19cm, adjacent = 12cm. Calculate the angle

Answer: 57.7°
4. Ratio

Simplify: 12:12:8

Answer: 3:3:2
5. Statistics

Calculate the mean of: 14, 37, 47, 42, 47, 23, 33

Answer: 34.7

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