Keystones — Lintel

Five GCSE retrieval questions · 8 January 2024 · mathsvault.uk/keystones

1. Number

Find the total of 233, 254, and 146

Answer: 633
2. Algebra

Solve: ^x⁄₅ = 3.8

Answer: x = 19
3. Geometry

A circle has area 615.8cm². Find its radius (dp)

Answer: 14cm
4. Ratio

Calculate 19.5% of 545

Answer: 106.28
5. Statistics

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

Answer: ⁴⁄₁₁

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