Keystones — Cornerstone
Five GCSE retrieval questions · 5 July 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 268, 256, and 130
Answer: 654 -
2. Algebra
Solve: 4x = 36
Answer: x = 9 -
3. Geometry
Calculate the area of a circle with diameter 15cm
Answer: 176.71cm² -
4. Ratio
Find 75% of 421
Answer: 315.75 -
5. Statistics
Calculate the range of: 41, 42, 102, 41, 112, 67
Answer: 71