morceloiris
morceloiris morceloiris
  • 02-02-2017
  • Mathematics
contestada

How a bar model can be used to show a subtraction problem? 2 grade

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emmagm1231
emmagm1231 emmagm1231
  • 02-02-2017
lets say that you have 4-2=? you can use a bar model.... 

 {the stars are the bars}
 you have 4 total and now you need to subtract 2
****
{ i just took away 2 and then you count the bars but in this model count the stars}
**

Hope this helps!!! 

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andrea51005
andrea51005 andrea51005
  • 02-02-2017
It can be used because it shows how many of something you took away .
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