CHANGE THE GROUPS:
Use groups of 1, 2, 5, 10, 100's
CHANGE
THE ARRANGEMENT: Put
the groups together or let the groups come up randomly.MEET
DIFFERENT NEEDS:
It's easy to address different needs in
your class. Just change the worksheets as you make them! NEW
WORKSHEET EACH TIME:
Why buy a worksheet book when
the computer can generate a new sheet each time.