think of Marie's model. for what could you trade one of the hundreds?
base-ten blocks - bobpursley, Tuesday, October 4, 2011 at 3:55pm
It depends on what Marie modelled 100 as. It could have been 10 hundreds, or 2 fifties, or 4 twenty-fives, or 5 twenties, or 20 fives, or whatever. All this depends on what Marie modeled 100 as.