Keystones — Bedrock

Five GCSE retrieval questions · 24 May 2026 · mathsvault.uk/keystones

1. Number

600000

Answer: 6 × 10⁵
2. Algebra

Find the midpoint of (2, 7) and (12, 17)

Answer: (7, 12)
3. Geometry

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

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 4:16

Answer: 1:4
5. Statistics

Find the mean of: 8, 3, 6

Answer: 5.6666666666667

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