Keystones — Bedrock

Five GCSE retrieval questions · 30 March 2024 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₁₁ + ⁷⁄₁₁

Answer: ⁹⁄₁₁
2. Algebra

Find the next term: 15, 19, 23, 27, ...

Answer: 31
3. Geometry

Opposite = 12cm, hypotenuse = 17cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 4:14

Answer: 2:7
5. Statistics

Find the mean of: 15, 5, 17, 16

Answer: 13.25

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