Keystones — Bedrock

Five GCSE retrieval questions · 26 August 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁷⁄₁₁ + ³⁄₁₁

Answer: ¹⁰⁄₁₁
2. Algebra

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

Answer: 47
3. Geometry

Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

In ratio 6:1, the difference between shares is 140. What are the shares?

Answer: 168 and 28
5. Statistics

Find the mean of: 16, 11, 20

Answer: 15.666666666667

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