Seudónimo Seudónimo
  • 23-11-2016
  • Mathematics
contestada

describe how you can use the make a ten strategy to find the sum 7+9

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FuturePresident2040
FuturePresident2040 FuturePresident2040
  • 23-11-2016
You can add one part of 7 to 9 making it 10+6 which equals 16
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