Keystones — Lintel

Five GCSE retrieval questions · 2 December 2023 · 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⁄₄ = 5.5

Answer: x = 22
3. Geometry

Find perimeter: adjacent = 13cm, angle = 39°

Answer: 40.2cm
4. Ratio

Calculate 23.3% of 815

Answer: 189.9
5. Statistics

Find the range of: -7, -10, 36, -8, 27

Answer: 46

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