Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 31 × 1000
Answer: 31000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 3n + 3
Answer: 6, 9, 12, 15 -
3. Geometry Converting volume units
Convert 3 litres to ml
Answer: 3000ml -
4. Ratio Finding a share from another
A and B share in ratio 2:1. If A gets 86, how much does B get?
Answer: 43 -
5. Statistics Averages and range
Find the mean, median and range of: 32, 22, 12, 24, 29
Answer: Mean = 23.8, Median = 24, Range = 20