Keystones — Lintel

Five GCSE retrieval questions · 18 June 2024 · mathsvault.uk/keystones

1. Number

Calculate: 535 + 641

Answer: 535 + 641 = 1176
2. Algebra

Solve: ^x⁄₆ = 3.1666666666667

Answer: x = 19
3. Geometry

Find the perimeter: hypotenuse = 13cm, one side = 8cm

Answer: 31.2cm
4. Ratio

Simplify: 10:4:6

Answer: 5:2:3
5. Statistics

Calculate the mean of: 22, 50, 13, 43, 44, 32, 23

Answer: 32.4

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