Keystones — Cornerstone
Five GCSE retrieval questions · 1 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 75
Answer: 87 + 75 = 162 -
2. Algebra
Find the next term: 21, 26, 31, 36, ...
Answer: 41 -
3. Geometry
Calculate the area of a circle with diameter 15cm
Answer: 176.71cm² -
4. Ratio
Simplify: 24:20:20
Answer: 6:5:5 -
5. Statistics
Find the mean of: 5, 14, 11
Answer: 10