Keystones — Cornerstone
Five GCSE retrieval questions · 20 September 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 281, 191, and 69
Answer: 541 -
2. Algebra
Solve: 5x = 70
Answer: x = 14 -
3. Geometry
Opposite = 17cm, adjacent = 18cm. Calculate the angle
Answer: 43.4° -
4. Ratio
Find 34% of 314
Answer: 106.76 -
5. Statistics
Find the mean of: 8, 19, 2, 17, 2
Answer: 9.6