Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 4 × 1000
Answer: 4000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 2n + 8
Answer: 10, 12, 14, 16 -
3. Geometry Converting volume units
Convert 4 litres to ml
Answer: 4000ml -
4. Ratio Finding a share from another
A and B share in ratio 1:3. If A gets 28, how much does B get?
Answer: 84 -
5. Statistics Averages and range
Find the mean, median and range of: 15, 24, 23, 30, 33
Answer: Mean = 25, Median = 24, Range = 18