Keystones — Bedrock

Five GCSE retrieval questions · 19 July 2024 · mathsvault.uk/keystones

1. Number

Calculate: 83 + 33

Answer: 83 + 33 = 116
2. Algebra

Factorise: 12x + 8

Answer: 2(6x + 4)
3. Geometry

Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:9

Answer: 5:3
5. Statistics

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

Answer: ¹⁄₂

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