Keystones — Bedrock

Five GCSE retrieval questions · 13 April 2024 · mathsvault.uk/keystones

1. Number

50000

Answer: 5 × 10⁴
2. Algebra

Find the next term: 23, 26, 29, 32, ...

Answer: 35
3. Geometry

Opposite = 10cm, hypotenuse = 14.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 18:15

Answer: 6:5
5. Statistics

Find the median of: 18, 14, 17, 9, 8

Answer: 14

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