Keystones — Lintel

Five GCSE retrieval questions · 13 April 2023 · mathsvault.uk/keystones

1. Number

Calculate: 990 + 878

Answer: 1868
2. Algebra

Solve: ^x⁄₅ = 7.2

Answer: x = 36
3. Geometry

Adjacent = 28cm, hypotenuse = 35cm. Find the angle

Answer: 36.9°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

A spinner has 3 red, 6 blue and 3 green sections. Probability of landing on red?

Answer: ¹⁄₄

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