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hother

evaluate 5-7?

  • one year ago
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  1. freckles
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    Hey so... Pretend like I draw a number line... And we start with the first number of that statement which is 5 |dw:1342564524881:dw|

    • one year ago
  2. freckles
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    And we count over 7 to the left because 7 has a minus in front of it

    • one year ago
  3. freckles
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    Where will be if count over 7 units to the left of 5?

    • one year ago
  4. hother
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    2?

    • one year ago
  5. freckles
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    |dw:1342564629525:dw| No 2 is 3 units to the left of 5

    • one year ago
  6. hother
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    -2?

    • one year ago
  7. freckles
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    right! :)

    • one year ago
  8. hother
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    i knew that ;)

    • one year ago
  9. freckles
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    5-7 and 5+(-7) mean the same thing by the way :)

    • one year ago
  10. freckles
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    You might need to know that for later. Have fun. And practice...practice... you'll be good at these in no time. :)

    • one year ago
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spraguer (Moderator)
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