Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄7 + 3⁄7
Answer: 6⁄7 -
2. Algebra
Factorise: 6x + 21
Answer: 3(2x + 7) -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics
Find the range of: 9, 26, 26, 26, 16
Answer: 17