Keystones — Bedrock

Five GCSE retrieval questions · 21 October 2022 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₁₁ + ⁶⁄₁₁

Answer: ⁸⁄₁₁
2. Algebra

Find the next term: 7, 9, 11, 13, ...

Answer: 15
3. Geometry

Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 28:32

Answer: 7:8
5. Statistics

Find the mean of: 17, 3, 3

Answer: 7.6666666666667

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