Keystones — Bedrock

Five GCSE retrieval questions · 25 June 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₉ + ¹⁄₉

Answer: ⁵⁄₉
2. Algebra

Simplify: 5x + 4x

Answer: 9x
3. Geometry

Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 18:15

Answer: 6:5
5. Statistics

Find the range of: 26, 19, 7, 27, 28

Answer: 21

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