Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying and dividing by powers of ten
Calculate: 94 × 1000
Answer: 94000 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 2n + 2
Answer: 4, 6, 8, 10 -
3. Geometry Converting volume units
Convert 10 litres to ml
Answer: 10000ml -
4. Ratio Finding a share from another
A and B share in ratio 2:3. If A gets 38, how much does B get?
Answer: 57 -
5. Statistics Averages and range
Find the mean, median and range of: 23, 14, 37, 32, 24
Answer: Mean = 26, Median = 24, Range = 23