Keystones — Cornerstone
Five GCSE retrieval questions · 14 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 65 + 77
Answer: 65 + 77 = 142 -
2. Algebra
Simplify: 7x + 6x
Answer: 13x -
3. Geometry
Calculate the area of a circle with diameter 19cm
Answer: 283.53cm² -
4. Ratio
Calculate 10% of 177
Answer: 17.7 -
5. Statistics
Calculate the range of: 62, 67, 52, 37, 37, 40
Answer: 30