Keystones — Bedrock

Five GCSE retrieval questions · 9 June 2023 · mathsvault.uk/keystones

1. Number

Simplify: 9⁵ × 9²

Answer: 9⁷
2. Algebra

Find the next term: 16, 22, 28, 34, ...

Answer: 40
3. Geometry

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

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 8:32

Answer: 1:4
5. Statistics

What is the probability of getting heads when flipping a fair coin?

Answer: ¹⁄₂

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