Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 83
Answer: 25 + 83 = 108 -
2. Algebra
Expand: 6(x + 9)
Answer: 6x + 54 -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics
Find the mean of: 18, 9, 10, 3
Answer: 10