Keystones — Bedrock

Five GCSE retrieval questions · 9 March 2026 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₈ + ¹⁄₈

Answer: ⁷⁄₈
2. Algebra

Simplify: 9x + 4x

Answer: 13x
3. Geometry

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

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 30:25

Answer: 6:5
5. Statistics

Find the mean of: 3, 9, 13

Answer: 8.3333333333333

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