vtoussaint86 vtoussaint86

01-03-2018
Mathematics

contestada

I need help finding and understanding two strategies for 435+290 for a 2nd grader.

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marcogarcia9577 marcogarcia9577

01-03-2018

well, you should start off by separating the hundreds, tens and ones. So its 400, 30, and 5. 200 and 90. Then add, awnser is 725

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Аноним Аноним

01-03-2018

You could use algorithm
Or
400+200=600
30+90=120
0+5=5

725

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