Keystones — Bedrock

Five GCSE retrieval questions · 17 November 2024 · mathsvault.uk/keystones

1. Number

Calculate: 23 + 34

Answer: 23 + 34 = 57
2. Algebra

Simplify: 6x + 4x

Answer: 10x
3. Geometry

Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:21

Answer: 5:7
5. Statistics

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

Answer: ¹⁄₂

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