Keystones — Bedrock

Five GCSE retrieval questions · 22 September 2025 · mathsvault.uk/keystones

1. Number

Simplify: 4² × 4⁵

Answer: 4⁷
2. Algebra

Find the next term: 13, 22, 31, 40, ...

Answer: 49
3. Geometry

Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 28:16

Answer: 7:4
5. Statistics

Find the median of: 7, 11, 13, 17, 14

Answer: 13

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