Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 37 × 1000
Answer: 37000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 6n + 4
Answer: 10, 16, 22, 28 -
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 1:2. If A gets 12, how much does B get?
Answer: 24 -
5. Statistics Averages and range
Find the mean, median and range of: 32, 21, 25, 29, 14
Answer: Mean = 24.2, Median = 25, Range = 18