Keystones — Bedrock

Five GCSE retrieval questions · 20 January 2023 · mathsvault.uk/keystones

1. Number

6000

Answer: 6 × 10³
2. Algebra

Simplify: 5x + 5x

Answer: 10x
3. Geometry

Opposite = 7cm, hypotenuse = 8.cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 10:14

Answer: 5:7
5. Statistics

Find the range of: 5, 19, 9, 20, 14

Answer: 15

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