Keystones — Bedrock

Five GCSE retrieval questions · 28 February 2026 · mathsvault.uk/keystones

1. Number

Simplify: 6² × 6⁴

Answer: 6⁶
2. Algebra

Solve: x + 12 = 20

Answer: x = 8
3. Geometry

Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 21:6

Answer: 7:2
5. Statistics

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

Answer: ¹⁄₂

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