Keystones — Bedrock

Five GCSE retrieval questions · 7 October 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₉ + ²⁄₉

Answer: ⁸⁄₉
2. Algebra

Find the next term: 17, 19, 21, 23, ...

Answer: 25
3. Geometry

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

Answer: 60° (approximately)
4. Ratio

Calculate 25% of 27

Answer: 6.75
5. Statistics

Find the mean of: 17, 9, 3

Answer: 9.6666666666667

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