Keystones — Cornerstone
Five GCSE retrieval questions · 16 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 722 + 144
Answer: 722 + 144 = 866 -
2. Algebra
Collect like terms: 2x + 5y + 3x + 4y
Answer: 5x + 9y -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify: 6:12:12
Answer: 1:2:2 -
5. Statistics
Find the mean of: 8, 8, 3, 13, 6
Answer: 7.6