Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 44 + 56
Answer: 44 + 56 = 100 -
2. Algebra
Factorise: 20x + 24
Answer: 4(5x + 6) -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 4, 13, 5, 12
Answer: 8.5