Keystones — Cornerstone
Five GCSE retrieval questions · 3 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 40 + 57
Answer: 40 + 57 = 97 -
2. Algebra
Expand: 5(x + 5)
Answer: 5x + 25 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Find 21% of 463
Answer: 97.23 -
5. Statistics
Calculate the mean of: 41, 41, 43, 43, 29, 25, 42, 30
Answer: 36.8