Keystones — Cornerstone
Five GCSE retrieval questions · 12 May 2021 · mathsvault.uk/keystones
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1. Number
Add: 1⁄5 + 3⁄4
Answer: 19⁄20 -
2. Algebra
Find the next term: 5, 15, 25, 35, ...
Answer: 45 -
3. Geometry
Calculate the area of a circle with diameter 15cm
Answer: 176.71cm² -
4. Ratio
Calculate 50% of 70
Answer: 35 -
5. Statistics
Calculate the range of: 88, 50, 20, 72, 75, 47
Answer: 68