Keystones — Bedrock
Five GCSE retrieval questions · 18 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 70 × 1000
Answer: 70000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 5n + 3
Answer: 8, 13, 18, 23 -
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 92, how much does B get?
Answer: 46 -
5. Statistics Averages and range
Find the mean, median and range of: 13, 34, 36, 26, 16
Answer: Mean = 25, Median = 26, Range = 23