Keystones — Bedrock

Five GCSE retrieval questions · 10 November 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₁₀ + ²⁄₁₀

Answer: ³⁄₁₀
2. Algebra

Simplify: 6x + 8x

Answer: 14x
3. Geometry

Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Calculate 50% of 175

Answer: 87.5
5. Statistics

Find the mean of: 5, 4, 3, 10, 17

Answer: 7.8

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