Keystones — Bedrock
Five GCSE retrieval questions · 8 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 90 × 10
Answer: 900 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 3n + 6
Answer: 9, 12, 15, 18 -
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 3:1. If A gets 87, how much does B get?
Answer: 29 -
5. Statistics Averages and range
Find the mean, median and range of: 23, 25, 17, 21, 37
Answer: Mean = 24.6, Median = 23, Range = 20