Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 85
Answer: 87 + 85 = 172 -
2. Algebra
Find the next term: 6, 16, 26, 36, ...
Answer: 46 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics
Find the mean of: 19, 13, 12, 14
Answer: 14.5