Keystones — Cornerstone
Five GCSE retrieval questions · 28 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1 + 9
Answer: 10 -
2. Algebra
Collect like terms: 2x + 4y + 3x + 8y
Answer: 5x + 12y -
3. Geometry
Calculate the area of a circle with diameter 12cm
Answer: 113.cm² -
4. Ratio
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics
Find the mean of: 17, 10, 17, 13, 13
Answer: 14