Keystones — Cornerstone
Five GCSE retrieval questions · 25 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 934 + 550
Answer: 934 + 550 = 1484 -
2. Algebra
Find the next term: 10, 20, 30, 40, ...
Answer: 50 -
3. Geometry
Calculate the area of a circle with diameter 20cm
Answer: 314.16cm² -
4. Ratio
Find 50% of 71
Answer: 35.5 -
5. Statistics
Find the mean of: 19, 4, 10
Answer: 11