Keystones — Bedrock

Five GCSE retrieval questions · 26 November 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₁₂ + ²⁄₁₂

Answer: ²⁄₃
2. Algebra

Simplify: 9x + 7x

Answer: 16x
3. Geometry

Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 10:16

Answer: 5:8
5. Statistics

What is the probability of rolling a 4 on a fair die?

Answer: ¹⁄₆

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