Keystones — Lintel

Five GCSE retrieval questions · 21 January 2022 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 108. What are the numbers?

Answer: 35, 36, and 37
2. Algebra

Solve: ^x⁄₈ = 4.125

Answer: x = 33
3. Geometry

Opposite = 11cm, adjacent = 16cm. Calculate the angle

Answer: 34.5°
4. Ratio

Simplify: 10:12:10

Answer: 5:6:5
5. Statistics

Calculate the mean of: 20, 12, 11, 47, 5, 24

Answer: 19.8

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