Keystones — Lintel

Five GCSE retrieval questions · 18 November 2022 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 117. What are the numbers?

Answer: 38, 39, and 40
2. Algebra

Solve: ^x⁄₈ = 2.375

Answer: x = 19
3. Geometry

Opposite = 14cm, adjacent = 10cm. Calculate the angle

Answer: 54.5°
4. Ratio

Simplify: 24:16:20

Answer: 6:4:5
5. Statistics

Find the range of: 23, 13, -14, 9, -9

Answer: 37

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