Keystones — Cornerstone
Five GCSE retrieval questions · 29 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 234 + 749
Answer: 234 + 749 = 983 -
2. Algebra
Factorise: 12x + 20
Answer: 4(3x + 5) -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify: 8:12:12
Answer: 2:3:3 -
5. Statistics
Calculate the range of: 44, 28, 23, 38, 52, 58
Answer: 35