Keystones — Cornerstone
Five GCSE retrieval questions · 3 October 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 151, 207, and 83
Answer: 441 -
2. Algebra
Find the next term: 15, 23, 31, 39, ...
Answer: 47 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Find 56% of 266
Answer: 148.96 -
5. Statistics
Calculate the mean of: 46, 27, 22, 37, 8, 40
Answer: 30