Keystones — Lintel

Five GCSE retrieval questions · 16 January 2024 · mathsvault.uk/keystones

1. Number

Calculate: 315 + 667

Answer: 315 + 667 = 982
2. Algebra

Solve: ^x⁄₃ = 7.6666666666667

Answer: x = 23
3. Geometry

Opposite = 19cm, adjacent = 14cm. Calculate the angle

Answer: 53.6°
4. Ratio

Simplify: 16:16:20

Answer: 4:4:5
5. Statistics

Calculate the mean of: 49, 22, 46, 15, 15, 39, 36, 15

Answer: 29.6

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