Keystones — Bedrock

Five GCSE retrieval questions · 14 May 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁷⁄₉ + ¹⁄₉

Answer: ⁸⁄₉
2. Algebra

Find the next term: 30, 32, 34, 36, ...

Answer: 38
3. Geometry

Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 12:6

Answer: 2:1
5. Statistics

Find the mean of: 5, 18, 10, 15, 19

Answer: 13.4

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