kalninhs kalninhs
  • 15-12-2016
  • Mathematics
contestada

Show how to make a ten to solve 13-7

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DaylightDreamer16
DaylightDreamer16 DaylightDreamer16
  • 15-12-2016
 8 + 5 by removing 2 from the 5 to leave 3, add this 2 to the 8 to make 10 then add the 3 to the 10 to give 13.
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ariakellie
ariakellie ariakellie
  • 15-12-2016
13-7
13-3=10
7+the three we took from the thirteen=10
add those two answers together to get 20!

I know its confusing, but you can do it!
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