Keystones — Cornerstone
Five GCSE retrieval questions · 26 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 35
Answer: 23 + 35 = 58 -
2. Algebra
Solve: x + 2 = 13
Answer: x = 11 -
3. Geometry
Calculate the area of a circle with diameter 9cm
Answer: 63.62cm² -
4. Ratio
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics
Calculate the mean of: 15, 49, 24, 22, 5, 30, 39, 16
Answer: 25