Keystones — Cornerstone
Five GCSE retrieval questions · 17 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 762 + 652
Answer: 762 + 652 = 1414 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 9cm, adjacent = 16cm. Calculate the angle
Answer: 29.4° -
4. Ratio
Find 32% of 458
Answer: 146.56 -
5. Statistics
Find the mean of: 7, 12, 20, 15
Answer: 13.5