Addition | Adding Whole Numbers | MathHelp.com - Free Educational videos for Students in K-12 | Lumos Learning

Addition | Adding Whole Numbers | MathHelp.com - Free Educational videos for Students in k-12


Addition | Adding Whole Numbers | MathHelp.com - By MathHelp.com



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00:0-1 when adding numbers that have different numbers of digits ,
00:03 I would put the larger number on top . So
00:06 let's rewrite this problem as 725 plus 37 . Cool
00:16 . And remember to line up the number so that
00:18 the units digits are in the same column . Next
00:21 we add the units digits five plus seven is 12
00:25 . And remember that 12 can be thought of as
00:28 1 , 10 and two units . So we put
00:31 a two in the units column of our answer and
00:35 carry the one to a position above the tens column
00:40 . Now adding the numbers in the tens column .
00:42 We have one plus two plus three which is six
00:48 . And in the hundreds column seven plus zero is
00:51 seven . So the sum of 37 and 725 is
00:57 762 .
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