Keystones — Lintel

Five GCSE retrieval questions · 23 November 2024 · mathsvault.uk/keystones

1. Number

Calculate: 998 + 538

Answer: 1536
2. Algebra

Solve: ^x⁄₄ = 2.25

Answer: x = 9
3. Geometry

Adjacent = 21cm, hypotenuse = 36cm. Find the angle

Answer: 54.3°
4. Ratio

Find 26% of 382

Answer: 99.32
5. Statistics

A spinner has 2 red, 5 blue and 3 green sections. Probability of landing on red?

Answer: ¹⁄₅

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