Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 88 × 1000
Answer: 88000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 6n + 1
Answer: 7, 13, 19, 25 -
3. Geometry Converting volume units
Convert 5 litres to ml
Answer: 5000ml -
4. Ratio Finding a share from another
A and B share in ratio 1:4. If A gets 47, how much does B get?
Answer: 188 -
5. Statistics Averages and range
Find the mean, median and range of: 33, 34, 27, 19, 11
Answer: Mean = 24.8, Median = 27, Range = 23