Keystones — Cornerstone
Five GCSE retrieval questions · 30 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 96 + 65
Answer: 96 + 65 = 161 -
2. Algebra
Find the next term: 20, 28, 36, 44, ...
Answer: 52 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 131
Answer: 65.5 -
5. Statistics
Calculate the mean of: 6, 14, 25, 24, 13, 26, 23
Answer: 18.7