Keystones — Bedrock

Five GCSE retrieval questions · 9 February 2023 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₉ + ⁵⁄₉

Answer: ²⁄₃
2. Algebra

Factorise: 24x + 28

Answer: 4(6x + 7)
3. Geometry

Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 4:8

Answer: 1:2
5. Statistics

Find the median of: 13, 18, 8, 20, 15

Answer: 15

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