Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 85 × 10
Answer: 850 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 5n + 6
Answer: 11, 16, 21, 26 -
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 1:2. If A gets 22, how much does B get?
Answer: 44 -
5. Statistics Averages and range
Find the mean, median and range of: 25, 40, 11, 24, 33
Answer: Mean = 26.6, Median = 25, Range = 29