Keystones — Cornerstone
Five GCSE retrieval questions · 28 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 44 + 41
Answer: 44 + 41 = 85 -
2. Algebra
Collect like terms: 6x + 4y + 3x + 7y
Answer: 9x + 11y -
3. Geometry
Calculate the area of a circle with diameter 8cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics
Calculate the mean of: 43, 14, 16, 26, 46, 34
Answer: 29.8