Keystones Lintel — 8 June 2021

Keystones — Lintel

Five GCSE retrieval questions · 8 June 2021 · mathsvault.uk/keystones

1. Number

Calculate: 993 + 854

Answer: 1847
2. Algebra

Solve: ^x⁄₇ = 5.4285714285714

Answer: x = 38
3. Geometry

Opposite = 19cm, adjacent = 10cm. Calculate the angle

Answer: 62.2°
4. Ratio

Find 53% of 259

Answer: 137.27
5. Statistics

Find the range of: -28, -7, 34, 44, 16

Answer: 72

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