Keystones — Lintel

Five GCSE retrieval questions · 29 September 2024 · mathsvault.uk/keystones

1. Number

What is 1.8 + 8.82 + 0.44?

Answer: 1.8 + 8.82 + 0.44 = 11.06
2. Algebra

Solve: ^x⁄₇ = 3.4285714285714

Answer: x = 24
3. Geometry

Calculate the hypotenuse when a = 9cm and b = 9cm

Answer: 12.73cm
4. Ratio

Calculate 17.4% of 493

Answer: 85.78
5. Statistics

Calculate the mean of: 48, 16, 20, 30, 25, 9, 15, 12

Answer: 21.9

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