Keystones — Lintel

Five GCSE retrieval questions · 28 May 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 58 + ? = 174

Answer: 116
2. Algebra

Solve: ^x⁄₅ = 3

Answer: x = 15
3. Geometry

Calculate the distance between (4, 8) and (7, 12)

Answer: 5
4. Ratio

Find 18% of 121

Answer: 21.78
5. Statistics

A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?

Answer: ⁵⁄₁₁

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