Keystones — Bedrock

Five GCSE retrieval questions · 24 May 2024 · mathsvault.uk/keystones

1. Number

Simplify: 4⁵ × 4⁵

Answer: 4¹⁰
2. Algebra

Solve: x + 12 = 30

Answer: x = 18
3. Geometry

Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 12:6

Answer: 2:1
5. Statistics

What is the probability of rolling a 2 on a fair die?

Answer: ¹⁄₆

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