Add with regrouping

~9 min

If a column totals 10 or more, write the ones digit and regroup the tens.

Adding Ones with Regrouping

22
1 ten
12 ones

When adding digits in the ones place, if the total is 10 or more, you must rename 10 ones as 1 ten and carry it to the tens column.

💡 Think of 10 ones as one single block of ten.