Keystones — Cornerstone

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

1. Number

Add: ³⁄₅ + ³⁄₈

Answer: ³⁹⁄₄₀
2. Algebra

Solve: 6x = 42

Answer: x = 7
3. Geometry

Opposite = 12cm, adjacent = 9cm. Calculate the angle

Answer: 53.1°
4. Ratio

Find 27% of 464

Answer: 125.28
5. Statistics

Find the range of: 22, 14, 16, 43, 13

Answer: 30

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