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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