Keystones — Lintel

Five GCSE retrieval questions · 25 June 2024 · mathsvault.uk/keystones

1. Number

What is the missing number: 67 + ? = 133

Answer: 66
2. Algebra

Solve: ^x⁄₆ = 3

Answer: x = 18
3. Geometry

Adjacent = 13cm, hypotenuse = 20cm. Find the angle

Answer: 49.5°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

Calculate the mean of: 7, 14, 8, 37, 16, 19

Answer: 16.8

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