Keystones — Bedrock

Five GCSE retrieval questions · 17 July 2026 · mathsvault.uk/keystones

1. Number

Calculate: 16 + 35

Answer: 16 + 35 = 51
2. Algebra

Solve: x + 12 = 32

Answer: x = 20
3. Geometry

Opposite = 10cm, hypotenuse = 14.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 16:14

Answer: 8:7
5. Statistics

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

Answer: ¹⁄₂

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