Johnsonbrianne9
Johnsonbrianne9 Johnsonbrianne9
  • 03-10-2019
  • Mathematics
contestada

How can a number line be used to model whole number addition and subtraction

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CoolAsianGuy
CoolAsianGuy CoolAsianGuy
  • 03-10-2019
2-1=?

If you imagine the number you are subtracting from (2) as a point on a number line, you can add or subtract from that point in whole spaces to end up at you new answer.
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