Keystones — Lintel

Five GCSE retrieval questions · 26 March 2024 · mathsvault.uk/keystones

1. Number

Add: ³⁄₅ + ⁴⁄₈

Answer: ¹¹⁄₁₀
2. Algebra

Solve: ^x⁄₂ = 11.5

Answer: x = 23
3. Geometry

A circle has area 452.4cm². Find its radius (dp)

Answer: 12cm
4. Ratio

Calculate 27.9% of 980

Answer: 273.42
5. Statistics

A spinner has 4 red, 6 blue and 5 green sections. Probability of landing on red?

Answer: ⁴⁄₁₅

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