Keystones — Cornerstone
Five GCSE retrieval questions · 6 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 88 + 38
Answer: 88 + 38 = 126 -
2. Algebra
Expand: 6(x + 3)
Answer: 6x + 18 -
3. Geometry
Calculate the area of a circle with diameter 24cm
Answer: 452.39cm² -
4. Ratio
Find 31% of 454
Answer: 140.74 -
5. Statistics
Calculate the range of: 73, 49, 36, 52, 58, 46
Answer: 37