Keystones — Bedrock

Five GCSE retrieval questions · 27 September 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁵⁄₇ + ¹⁄₇

Answer: ⁶⁄₇
2. Algebra

Simplify: 7x + 6x

Answer: 13x
3. Geometry

Opposite = 9cm, hypotenuse = 18cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 24:20

Answer: 6:5
5. Statistics

Find the range of: 13, 15, 38, 25, 39

Answer: 26

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