Keystones — Bedrock

Five GCSE retrieval questions · 14 March 2024 · mathsvault.uk/keystones

1. Number

Calculate: 14 + 49

Answer: 14 + 49 = 63
2. Algebra

Simplify: 8x + 5x

Answer: 13x
3. Geometry

Opposite = 13cm, hypotenuse = 26cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 50% of 141

Answer: 70.5
5. Statistics

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

Answer: ¹⁄₂

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