Keystones — Bedrock

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

1. Number

Calculate: ¹⁄₁₁ + ²⁄₁₁

Answer: ³⁄₁₁
2. Algebra

Find the next term: 23, 29, 35, 41, ...

Answer: 47
3. Geometry

Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 16:10

Answer: 8:5
5. Statistics

Find the range of: 13, 26, 29, 15, 29

Answer: 16

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