Keystones — Cornerstone
Five GCSE retrieval questions · 30 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 58
Answer: 74 + 58 = 132 -
2. Algebra
Factorise: 2x² + 3x
Answer: x(2x + 3) -
3. Geometry
Opposite = 18cm, adjacent = 8cm. Calculate the angle
Answer: 66° -
4. Ratio
Find 36% of 180
Answer: 64.8 -
5. Statistics
Calculate the mean of: 38, 48, 37, 50, 8, 50, 22
Answer: 36.1