Keystones — Bedrock

Five GCSE retrieval questions · 12 November 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₉ + ⁴⁄₉

Answer: ⁸⁄₉
2. Algebra

Factorise: 42x + 36

Answer: 6(7x + 6)
3. Geometry

Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 24:12

Answer: 2:1
5. Statistics

Find the range of: 29, 28, 29, 17, 18

Answer: 12

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