Keystones — Bedrock
Five GCSE retrieval questions · 31 March 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 91 × 100
Answer: 9100 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 6n + 4
Answer: 10, 16, 22, 28 -
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 1:2. If A gets 45, how much does B get?
Answer: 90 -
5. Statistics Averages and range
Find the mean, median and range of: 28, 15, 33, 11, 38
Answer: Mean = 25, Median = 28, Range = 27