Keystones — Lintel

Five GCSE retrieval questions · 12 October 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₅ + ³⁄₄ + ¹⁄₂

Answer: ⁴¹⁄₂₀
2. Algebra

Solve: ^x⁄₈ = 4.625

Answer: x = 37
3. Geometry

Opposite = 15cm, adjacent = 10cm. Calculate the angle

Answer: 56.3°
4. Ratio

Simplify: 16:12:12

Answer: 4:3:3
5. Statistics

A spinner has 2 red, 6 blue and 4 green sections. Probability of landing on red?

Answer: ¹⁄₆

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