Keystones Lintel — 9 November 2021

Keystones — Lintel

Five GCSE retrieval questions · 9 November 2021 · mathsvault.uk/keystones

1. Number

Calculate: 523 + 780

Answer: 523 + 780 = 1303
2. Algebra

Solve: ^x⁄₃ = 7.6666666666667

Answer: x = 23
3. Geometry

Opposite = 19cm, adjacent = 15cm. Calculate the angle

Answer: 51.7°
4. Ratio

Find 85% of 399

Answer: 339.15
5. Statistics

Find the range of: -20, 13, 13, 26, 6

Answer: 46

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