Keystones — Bedrock

Five GCSE retrieval questions · 19 May 2026 · mathsvault.uk/keystones

1. Number

600000

Answer: 6 × 10⁵
2. Algebra

Find the midpoint of (5, 8) and (11, 13)

Answer: (8, 10.5)
3. Geometry

Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 9:15

Answer: 3:5
5. Statistics

Find the mean of: 13, 4, 4, 4, 4

Answer: 5.8

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