Keystones — Bedrock

Five GCSE retrieval questions · 29 March 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁹⁄₁₁ + ¹⁄₁₁

Answer: ¹⁰⁄₁₁
2. Algebra

Simplify: 5x + 9x

Answer: 14x
3. Geometry

Opposite = 5cm, hypotenuse = 10cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 4:10

Answer: 2:5
5. Statistics

Find the range of: 42, 46, 50, 20, 33

Answer: 30

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