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Posted by on Tuesday, September 20, 2011 at 6:14pm.

write each addition vertically.decide which new groups you will make.then,add to see if you were correct.
256+1273___________

a new ten?____________
a new hundred?_________
a new thousand?____________

need answers and please explain

  • math - , Tuesday, September 20, 2011 at 6:24pm

    I'll get you started.

    You'll need a new hundred.

    You won't need a new ten or thousand.

  • math - , Tuesday, September 20, 2011 at 7:38pm

    sorry for the delay.. I don't understand. I do understand that a new 1000 is not needed because once added, it's still 1000 but as as far as the rest, I don't understand. Trying to help my daughter with her math homeworl!

  • math - , Tuesday, September 20, 2011 at 8:10pm

    sorry for the delay.. I don't understand. I do understand that a new 1000 is not needed because once added, it's still 1000 but as as far as the rest, I don't understand. Trying to help my daughter with her math homework!

  • math - , Tuesday, September 20, 2011 at 11:22pm

    The frist day I did not know but now I know

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