Information
when you buy eggs you usually ask for a
eggs. you know that one dozen of any
item is
paper is not packaged by the dozen. paper is packaged by a ream. a ream of paper has
500 sheets. why is it useful to use units like a dozen or a ream?
what determines how many items should make up a particular unit?
if you were asked to design a new unit to count something, what would you
consider when choosing how many items should be included in your new counting
unit?