Keystones — Cornerstone
Five GCSE retrieval questions · 22 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 738 + 643
Answer: 738 + 643 = 1381 -
2. Algebra
Solve: 9x = 90
Answer: x = 10 -
3. Geometry
Opposite = 15cm, adjacent = 18cm. Calculate the angle
Answer: 39.8° -
4. Ratio
Calculate 25% of 184
Answer: 46 -
5. Statistics
Find the mean of: 14, 7, 5, 10, 3
Answer: 7.8