Keystones — Lintel

Five GCSE retrieval questions · 8 June 2022 · mathsvault.uk/keystones

1. Number

Calculate: 335 + 948

Answer: 335 + 948 = 1283
2. Algebra

Solve: ^x⁄₂ = 15.5

Answer: x = 31
3. Geometry

Adjacent = 21cm, hypotenuse = 35cm. Find the angle

Answer: 53.1°
4. Ratio

Calculate 42.4% of 761

Answer: 322.66
5. Statistics

Calculate the mean of: 33, 41, 8, 32, 39, 22

Answer: 29.2

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