Keystones — Cornerstone
Five GCSE retrieval questions · 19 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 48
Answer: 82 + 48 = 130 -
2. Algebra
Collect like terms: 4x + 4y + 5x + 6y
Answer: 9x + 10y -
3. Geometry
Calculate the area of a circle with diameter 19cm
Answer: 283.53cm² -
4. Ratio
Simplify: 9:12:12
Answer: 3:4:4 -
5. Statistics
Find the mean of: 18, 8, 6, 11
Answer: 10.75