Keystones — Cornerstone
Five GCSE retrieval questions · 27 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 953 + 166
Answer: 953 + 166 = 1119 -
2. Algebra
Collect like terms: 3x + 7y + 4x + 6y
Answer: 7x + 13y -
3. Geometry
Calculate the area of a circle with diameter 8cm
Answer: 50.27cm² -
4. Ratio
Calculate 25% of 92
Answer: 23 -
5. Statistics
Calculate the range of: 30, 50, 50, 58, 88, 69
Answer: 58