Keystones — Bedrock

Five GCSE retrieval questions · 18 June 2026 · mathsvault.uk/keystones

1. Number

Simplify: 6⁴ × 6²

Answer: 6⁶
2. Algebra

Simplify: 5x + 6x

Answer: 11x
3. Geometry

Opposite = 5cm, hypotenuse = 7.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 12:16

Answer: 3:4
5. Statistics

Find the mean of: 10, 6, 20, 4

Answer: 10

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