Keystones — Bedrock

Five GCSE retrieval questions · 10 March 2022 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₁₂ + ⁴⁄₁₂

Answer: ¹⁄₂
2. Algebra

Simplify: 3x + 5x

Answer: 8x
3. Geometry

Opposite = 9cm, hypotenuse = 18cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Calculate 25% of 36

Answer: 9
5. Statistics

Find the range of: 14, 36, 27, 26, 37

Answer: 23

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