Keystones — Cornerstone

Five GCSE retrieval questions · 2 November 2025 · mathsvault.uk/keystones

1. Number

Simplify: x⁵ × x⁷

Answer: x¹²
2. Algebra

Collect like terms: 2x + 2y + 6x + 8y

Answer: 8x + 10y
3. Geometry

Find the area of a circle with radius 4cm

Answer: 50.27cm²
4. Ratio

Find 28% of 439

Answer: 122.92
5. Statistics

Calculate the range of: 46, 49, 30, 60, 34, 56

Answer: 30

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