Yep, to do long division the box is called a division
bracket.
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When do you use long division?
You use long division when the number you are dividing is too big to do in your head or use short division.
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4312 long division by ... I need a divisor.
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You can practice your long division on the long division
worksheets when you visit the ldivision site. They have many to
choose from and you are allowed to print them out.