We do this by marking it like this. Now you add the next column - the tens. 3 tens + 2 tens + 1 ten (from the regrouping) = 6 tens Image caption, That is 60. You write 6 tens in the tens column ...

Add a decimal point in the answer space ... If the top digit is smaller than the bottom digit, regroup the number. Regrouping is a process where groups of 10 are borrowed from one column and ...