Keystones — Cornerstone
Five GCSE retrieval questions · 22 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 86 + 33
Answer: 86 + 33 = 119 -
2. Algebra
Solve: 6x = 48
Answer: x = 8 -
3. Geometry
Opposite = 12cm, adjacent = 14cm. Calculate the angle
Answer: 40.6° -
4. Ratio
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics
Calculate the mean of: 29, 7, 33, 32, 6, 7
Answer: 19