Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2.3 + 7.5
Answer: 2.3 + 7.5 = 9.8 -
2. Algebra
Factorise: 12x + 16
Answer: 4(3x + 4) -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics
Find the range of: 39, 37, 17, 21, 21
Answer: 22