Keystones — Bedrock

Five GCSE retrieval questions · 8 May 2023 · mathsvault.uk/keystones

1. Number

Simplify: 7⁴ × 7²

Answer: 7⁶
2. Algebra

Find the next term: 10, 12, 14, 16, ...

Answer: 18
3. Geometry

Opposite = 12cm, hypotenuse = 17cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Calculate 50% of 151

Answer: 75.5
5. Statistics

Find the range of: 20, 31, 5, 30, 15

Answer: 26

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