3 years ago

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

Mathematics

2 answers:

timurjin [86]3 years ago

4 0

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

725

mixas84 [53]3 years ago

3 0

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<span />

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