Keystones — Cornerstone
Five GCSE retrieval questions · 6 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 66 + 33
Answer: 66 + 33 = 99 -
2. Algebra
Factorise: 3x² + 6x
Answer: 3x(x + 2) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Find 77% of 74
Answer: 56.98 -
5. Statistics
Calculate the range of: 74, 54, 79, 54, 49, 44
Answer: 35