Seudónimo Seudónimo
  • 02-01-2017
  • Mathematics
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Explain why you should record a 1 in the tens column when you regroup in an addition problem

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de123098 de123098
  • 03-01-2017
Becaue the ones add up to 10 or more, they will regroup and put a 1 above the tens column to show the 10.
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