Keystones — Cornerstone
Five GCSE retrieval questions · 15 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 80 + 65
Answer: 80 + 65 = 145 -
2. Algebra
Solve: 7x = 105
Answer: x = 15 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 25% of 25
Answer: 6.25 -
5. Statistics
Calculate the range of: 36, 20, 37, 20, 100, 82
Answer: 80