2 Digit Addition with Regrouping

MATH-N-ROLL · ⏱ 3:56 · 788K مشاهدة · 6 years ago

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two digit addition with regrouping let's do the first example 26 plus 18. first we show 26 and 18. 26 has two tens and six ones eighteen has one ten and eight ones we add the ones to make ten we are left with fourteen so fourteen is broken into ten and four regroup ten ones for one ten we're left with four ones we put four in the ones place and we regroup the one into the tens place then we add one plus two plus one which equals to four the answer for twenty-six plus eighteen is equal to forty-four let's try another example thirty-five plus twenty-nine first we add the ones five plus nine is equal to fourteen fourteen is made of four ones and one ten then we add the tens one plus three plus two is equal to six thirty-five plus twenty-nine equals sixty-four let's try another one twenty-eight plus fifteen first we add the ones eight plus five equals thirteen thirteen is made of three ones and one ten we put the three in the ones place and the one in the tens place then we add the tens one plus two plus one equals four the answer for 28 plus 15 is 43 let's try another example plus 36 7 plus 6 equals 13. thirteen is made of three ones and one ten three goes to the ones place one goes to the tens place then we add the tens one plus one plus three equals five seventeen plus thirty-six equals 53 let's try another one 25 plus 15. 5 plus five equals ten ten is made of zero ones and one ten zero goes to the ones place and the one goes to the tens place then we add the tens one plus two plus one equals four twenty-five plus fifteen equals forty let's try another one thirty-nine plus twenty-seven nine plus seven equals sixteen sixteen is made out of six ones and one ten six goes to the ones place one goes to the tens place then we add the tens one plus three plus two equals six thirty-nine plus twenty-seven equals sixty-six