Keystones — Bedrock

Five GCSE retrieval questions · 26 July 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁹⁄₁₁ + ¹⁄₁₁

Answer: ¹⁰⁄₁₁
2. Algebra

Find the midpoint of (2, 8) and (18, 15)

Answer: (10, 11.5)
3. Geometry

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

Answer: 60° (approximately)
4. Ratio

In ratio 7:3, the difference between shares is 64. What are the shares?

Answer: 112 and 48
5. Statistics

Find the range of: 44, 37, 19, 44, 30

Answer: 25

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