Keystones — Bedrock

Five GCSE retrieval questions · 25 May 2023 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₉ + ⁴⁄₉

Answer: ⁵⁄₉
2. Algebra

Find the next term: 14, 21, 28, 35, ...

Answer: 42
3. Geometry

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

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 24:21

Answer: 8:7
5. Statistics

Find the mean of: 8, 15, 16

Answer: 13

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