Keystones — Lintel

Five GCSE retrieval questions · 29 August 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 64 + ? = 101

Answer: 37
2. Algebra

Solve: ^x⁄₇ = 4.4285714285714

Answer: x = 31
3. Geometry

Opposite = 9cm, adjacent = 15cm. Calculate the angle

Answer: 31°
4. Ratio

Simplify: 12:10:10

Answer: 6:5:5
5. Statistics

Calculate the mean of: 36, 5, 27, 46, 6, 7, 8

Answer: 19.3

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