Keystones — Lintel

Five GCSE retrieval questions · 17 July 2022 · mathsvault.uk/keystones

1. Number

Calculate: 998 + 675

Answer: 1673
2. Algebra

Solve: ^x⁄₃ = 4.6666666666667

Answer: x = 14
3. Geometry

Adjacent = 28cm, hypotenuse = 46cm. Find the angle

Answer: 52.5°
4. Ratio

Simplify the ratio 5m:500cm

Answer: 1:100
5. Statistics

Calculate the mean of: 16, 39, 24, 36, 26, 18, 47, 9

Answer: 26.9

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