Zeros change the place
Whole supplied source
Fictional quantity card set: Zeros change the place. First card states 209 labels; second card states 290 labels; third card states 902 labels. These are stated counts of the same kind of label, not observed stocks, money, distances or prices. No value is invented in an empty tens or ones place. The task is to represent, compare or order these stated quantities and give a checking reason.
Your useful job
Make a useful quantity guide. Keep the whole quantity and the value of each digit clear.
Own representations, checking explanation and any actual stock remain open.