Keystones — Lintel

Five GCSE retrieval questions · 3 June 2023 · mathsvault.uk/keystones

1. Number

Add: ²⁄₇ + ¹⁄₃

Answer: ¹³⁄₂₁
2. Algebra

Solve: ^x⁄₄ = 4

Answer: x = 16
3. Geometry

Opposite = 20cm, adjacent = 10cm. Calculate the angle

Answer: 63.4°
4. Ratio

Simplify: 12:24:20

Answer: 3:6:5
5. Statistics

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

Answer: ²⁄₉

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