Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 69
Answer: 74 + 69 = 143 -
2. Algebra
Factorise: 24x + 18
Answer: 6(4x + 3) -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Calculate 10% of 196
Answer: 19.6 -
5. Statistics
Find the mean of: 19, 3, 2, 18
Answer: 10.5