Keystones — Cornerstone
Five GCSE retrieval questions · 5 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 25
Answer: 87 + 25 = 112 -
2. Algebra
Solve: 9x = 54
Answer: x = 6 -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify: 12:6:6
Answer: 2:1:1 -
5. Statistics
Find the mean of: 3, 11, 3, 17
Answer: 8.5