Keystones — Cornerstone
Five GCSE retrieval questions · 23 May 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 101, 292, and 88
Answer: 481 -
2. Algebra
Expand: 6(5x + 2)
Answer: 30x + 12 -
3. Geometry
Calculate the area of a circle with diameter 16cm
Answer: 201.06cm² -
4. Ratio
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics
Find the range of: 41, 28, 17, 45, 34
Answer: 28