Keystones — Bedrock

Five GCSE retrieval questions · 10 March 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₁₁ + ⁶⁄₁₁

Answer: ¹⁰⁄₁₁
2. Algebra

Find the next term: 29, 35, 41, 47, ...

Answer: 53
3. Geometry

Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 20:25

Answer: 4:5
5. Statistics

Find the mean of: 8, 18, 8

Answer: 11.333333333333

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