Keystones — Cornerstone
Five GCSE retrieval questions · 30 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 698 + 619
Answer: 698 + 619 = 1317 -
2. Algebra
Solve: x + 5 = 17
Answer: x = 12 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Calculate 50% of 94
Answer: 47 -
5. Statistics
Calculate the mean of: 12, 17, 39, 50, 40, 16, 43, 11
Answer: 28.5