Keystones — Bedrock

Five GCSE retrieval questions · 17 May 2025 · mathsvault.uk/keystones

1. Number

Calculate: 98 + 37

Answer: 98 + 37 = 135
2. Algebra

Find the next term: 6, 8, 10, 12, ...

Answer: 14
3. Geometry

Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 30:25

Answer: 6:5
5. Statistics

What is the probability of rolling a 6 on a fair die?

Answer: ¹⁄₆

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