Keystones — Cornerstone

Five GCSE retrieval questions · 17 December 2024 · mathsvault.uk/keystones

1. Number

9700000

Answer: 9.7 × 10⁶
2. Algebra

Collect like terms: 7x + 2y + 2x + 7y

Answer: 9x + 9y
3. Geometry

Calculate the area of a circle with diameter 9cm

Answer: 63.62cm²
4. Ratio

Calculate 25% of 195

Answer: 48.75
5. Statistics

Calculate the range of: 50, 90, 79, 24, 92, 93

Answer: 69

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