Keystones — Cornerstone
Five GCSE retrieval questions · 13 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + 40
Answer: 26 + 40 = 66 -
2. Algebra
Simplify: 6x + 6x
Answer: 12x -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
Calculate the range of: 100, 20, 36, 78, 82, 96
Answer: 80