Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 58 × 100
Answer: 5800 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 5n + 5
Answer: 10, 15, 20, 25 -
3. Geometry Converting volume units
Convert 2 litres to ml
Answer: 2000ml -
4. Ratio Finding a share from another
A and B share in ratio 2:1. If A gets 192, how much does B get?
Answer: 96 -
5. Statistics Averages and range
Find the mean, median and range of: 19, 38, 21, 30, 11
Answer: Mean = 23.8, Median = 21, Range = 27