Keystones — Cornerstone
Five GCSE retrieval questions · 4 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 60 + 59
Answer: 60 + 59 = 119 -
2. Algebra
Solve: x + 3 = 20
Answer: x = 17 -
3. Geometry
Opposite = 20cm, adjacent = 18cm. Calculate the angle
Answer: 48° -
4. Ratio
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics
Calculate the range of: 47, 66, 110, 76, 81, 49
Answer: 63