Keystones — Bedrock

Five GCSE retrieval questions · 19 August 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ¹⁄₆

Answer: ⁵⁄₆
2. Algebra

Find the next term: 23, 32, 41, 50, ...

Answer: 59
3. Geometry

Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 14:10

Answer: 7:5
5. Statistics

Find the mean of: 19, 6, 20, 9, 15

Answer: 13.8

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