Keystones — Cornerstone
Five GCSE retrieval questions · 12 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 298 + 338
Answer: 298 + 338 = 636 -
2. Algebra
Factorise: 4x² + 9x
Answer: x(4x + 9) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 195
Answer: 97.5 -
5. Statistics
Find the range of: 35, 34, 16, 9, 8
Answer: 27