yepez1
yepez1 yepez1
  • 24-02-2017
  • Mathematics
contestada

show how to make a ten to solve 13-7? write the number sentence

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Аноним Аноним
  • 24-02-2017
i think...

Question: you have 13 pillows, and you donate 7 to a charity.  how many pillows do you have left?

Answer: 13-7=6.  you have 6 pillows left.
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apologiabiology
apologiabiology apologiabiology
  • 24-02-2017
13=10+3 so

13-7=3+10-7=3+3=6
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