Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 41 × 1000
Answer: 41000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 5n + 9
Answer: 14, 19, 24, 29 -
3. Geometry Converting volume units
Convert 2 litres to ml
Answer: 2000ml -
4. Ratio Finding a share from another
A and B share in ratio 1:3. If A gets 22, how much does B get?
Answer: 66 -
5. Statistics Averages and range
Find the mean, median and range of: 23, 10, 32, 31, 28
Answer: Mean = 24.8, Median = 28, Range = 22