Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 94 × 1000
Answer: 94000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 4n + 9
Answer: 13, 17, 21, 25 -
3. Geometry Converting volume units
Convert 8 litres to ml
Answer: 8000ml -
4. Ratio Finding a share from another
A and B share in ratio 1:4. If A gets 28, how much does B get?
Answer: 112 -
5. Statistics Averages and range
Find the mean, median and range of: 28, 34, 36, 18, 15
Answer: Mean = 26.2, Median = 28, Range = 21