Keystones — Bedrock

Five GCSE retrieval questions · 12 June 2024 · mathsvault.uk/keystones

1. Number

3000

Answer: 3 × 10³
2. Algebra

Find the next term: 18, 28, 38, 48, ...

Answer: 58
3. Geometry

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 50% of 70

Answer: 35
5. Statistics

Find the mean of: 17, 14, 14, 17, 10

Answer: 14.4

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