Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 52 × 10
Answer: 520 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 3n + 1
Answer: 4, 7, 10, 13 -
3. Geometry Converting volume units
Convert 9 litres to ml
Answer: 9000ml -
4. Ratio Finding a share from another
A and B share in ratio 2:1. If A gets 62, how much does B get?
Answer: 31 -
5. Statistics Averages and range
Find the mean, median and range of: 30, 27, 30, 22, 14
Answer: Mean = 24.6, Median = 27, Range = 16