Keystones — Cornerstone
Five GCSE retrieval questions · 1 February 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 194, 233, and 55
Answer: 482 -
2. Algebra
Solve: 8x = 72
Answer: x = 9 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 14cm
Answer: 16.12cm -
4. Ratio
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics
Calculate the range of: 34, 84, 84, 45, 62, 31
Answer: 53