Keystones — Cornerstone
Five GCSE retrieval questions · 14 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 45
Answer: 24 + 45 = 69 -
2. Algebra
Solve: x + 6 = 23
Answer: x = 17 -
3. Geometry
Calculate the hypotenuse when a = 12cm and b = 14cm
Answer: 18.44cm -
4. Ratio
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics
Find the range of: 27, 20, 15, 25, 16
Answer: 12