Keystones — Cornerstone
Five GCSE retrieval questions · 26 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 42
Answer: 74 + 42 = 116 -
2. Algebra
Solve: x + 9 = 13
Answer: x = 4 -
3. Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm² -
4. Ratio
Calculate 50% of 154
Answer: 77 -
5. Statistics
Calculate the range of: 81, 76, 36, 94, 49, 75
Answer: 58