Keystones — Lintel

Five GCSE retrieval questions · 3 July 2024 · mathsvault.uk/keystones

1. Number

What is the missing number: 89 + ? = 156

Answer: 67
2. Algebra

Solve: ^x⁄₃ = 7

Answer: x = 21
3. Geometry

Calculate the distance between (10, 9) and (13, 13)

Answer: 5
4. Ratio

Calculate 17.6% of 540

Answer: 95.04
5. Statistics

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

Answer: ²⁄₁₁

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