Keystones — Bedrock

Five GCSE retrieval questions · 18 November 2022 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₈ + ¹⁄₈

Answer: ³⁄₈
2. Algebra

Find the next term: 29, 32, 35, 38, ...

Answer: 41
3. Geometry

Opposite = 5cm, hypotenuse = 7.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 24:28

Answer: 6:7
5. Statistics

Find the mean of: 15, 17, 10, 16

Answer: 14.5

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