Keystones — Bedrock

Five GCSE retrieval questions · 29 January 2024 · mathsvault.uk/keystones

1. Number

Calculate: 24 + 45

Answer: 24 + 45 = 69
2. Algebra

Simplify: 9x + 2x

Answer: 11x
3. Geometry

Opposite = 8cm, hypotenuse = 16cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 50% of 62

Answer: 31
5. Statistics

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

Answer: ¹⁄₂

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