Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2026 · mathsvault.uk/keystones
-
1. Number Multiplying and dividing by powers of ten
Calculate: 51 × 10
Answer: 510 -
2. Algebra Generating sequence terms
Find the first 4 terms of: 3n + 6
Answer: 9, 12, 15, 18 -
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 3:1. If A gets 141, how much does B get?
Answer: 47 -
5. Statistics Averages and range
Find the mean, median and range of: 25, 24, 11, 27, 32
Answer: Mean = 23.8, Median = 25, Range = 21