Keystones — Bedrock

Five GCSE retrieval questions · 16 February 2023 · mathsvault.uk/keystones

1. Number

Calculate: 70 ÷ 7

Answer: 70 ÷ 7 = 10
2. Algebra

Solve: x + 10 = 24

Answer: x = 14
3. Geometry

Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 8:28

Answer: 2:7
5. Statistics

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

Answer: ¹⁄₆

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