Keystones — Lintel

Five GCSE retrieval questions · 14 June 2024 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 111. What are the numbers?

Answer: 36, 37, and 38
2. Algebra

Solve: ^x⁄₈ = 4.125

Answer: x = 33
3. Geometry

Calculate the distance between (9, 10) and (12, 14)

Answer: 5
4. Ratio

Simplify: 4:8:8

Answer: 1:2:2
5. Statistics

A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?

Answer: ³⁄₁₀

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