Keystones — Cornerstone
Five GCSE retrieval questions · 12 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 60 + 70
Answer: 60 + 70 = 130 -
2. Algebra
Solve: x + 12 = 31
Answer: x = 19 -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Calculate 10% of 128
Answer: 12.8 -
5. Statistics
Find the range of: 15, 15, 29, 29, 18
Answer: 14