Keystones — Cornerstone
Five GCSE retrieval questions · 20 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 514 + 983
Answer: 514 + 983 = 1497 -
2. Algebra
Collect like terms: 4x + 5y + 2x + 6y
Answer: 6x + 11y -
3. Geometry
Opposite = 16cm, adjacent = 9cm. Calculate the angle
Answer: 60.6° -
4. Ratio
Simplify: 10:4:6
Answer: 5:2:3 -
5. Statistics
Calculate the mean of: 6, 24, 32, 45, 14, 46, 41, 17
Answer: 28.1