Keystones — Cornerstone
Five GCSE retrieval questions · 20 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 37 + 48
Answer: 37 + 48 = 85 -
2. Algebra
Factorise: 8x² + 8x
Answer: 8x(x + 1) -
3. Geometry
Calculate the area of a circle with diameter 9cm
Answer: 63.62cm² -
4. Ratio
Simplify: 6:12:15
Answer: 2:4:5 -
5. Statistics
Find the mean of: 11, 5, 13, 14
Answer: 10.75