Keystones — Bedrock

Five GCSE retrieval questions · 1 July 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₁₁ + ³⁄₁₁

Answer: ⁷⁄₁₁
2. Algebra

Find the midpoint of (4, 5) and (14, 16)

Answer: (9, 10.5)
3. Geometry

Opposite = 7cm, hypotenuse = 14cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 15:12

Answer: 5:4
5. Statistics

Find the range of: 9, 19, 22, 8, 21

Answer: 14

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