Keystones — Cornerstone
Five GCSE retrieval questions · 22 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 329 + 431
Answer: 329 + 431 = 760 -
2. Algebra
Collect like terms: 6x + 3y + 5x + 7y
Answer: 11x + 10y -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify: 20:8:20
Answer: 5:2:5 -
5. Statistics
Find the mean of: 5, 7, 3, 4, 16
Answer: 7