Keystones — Cornerstone
Five GCSE retrieval questions · 7 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 34 + 27
Answer: 34 + 27 = 61 -
2. Algebra
Factorise: 14x + 4
Answer: 2(7x + 2) -
3. Geometry
Calculate the area of a circle with diameter 9cm
Answer: 63.62cm² -
4. Ratio
Calculate 25% of 52
Answer: 13 -
5. Statistics
Find the range of: 19, 24, 21, 10, 25
Answer: 15