Keystones — Cornerstone
Five GCSE retrieval questions · 5 April 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 47 + 70
Answer: 47 + 70 = 117 -
2. Algebra
Solve: 5x = 75
Answer: x = 15 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Calculate 10% of 130
Answer: 13 -
5. Statistics
Calculate the mean of: 22, 38, 18, 41, 23, 41, 11
Answer: 27.7