Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 95 × 100
Answer: 9500 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 5n + 7
Answer: 12, 17, 22, 27 -
3. Geometry Converting volume units
Convert 7 litres to ml
Answer: 7000ml -
4. Ratio Finding a share from another
A and B share in ratio 3:4. If A gets 42, how much does B get?
Answer: 56 -
5. Statistics Averages and range
Find the mean, median and range of: 33, 17, 25, 24, 34
Answer: Mean = 26.6, Median = 25, Range = 17