Keystones — Lintel

Five GCSE retrieval questions · 18 October 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 43 + ? = 100

Answer: 57
2. Algebra

Solve: 4x = 12

Answer: x = 3
3. Geometry

Calculate the distance between (3, 4) and (6, 8)

Answer: 5
4. Ratio

Calculate 27.9% of 903

Answer: 251.94
5. Statistics

A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?

Answer: ³⁄₁₄

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