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Storyboard Description

TRACK

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  • Coach said I needed to run   7/12 of the track to meet my goal.   I already ran   2/4 of the track.   How  much more of the track do I need to run? to meet my goal? 
  • In order to know how much more of the track I need to run,  I have to subtract  7/12 and 2/4. First change the problem to  an addition problem. Change 2/4 to a negative  number  . You should get:   7/12+-2/4
  • I have to find a common denominator  for 7/12 and 2/4. The CD is 12. 4 can go into 12, 3 times. So multiply 2 by 3= 6 . Your new fraction   is   6/12. Now since 6/12 is negative we have to see which fraction is largest.  7/12 is larger than  6/12 so the answer will be positive.   7/12-6/12= 1/12.  i needed to run   1/12 of the lap to reach my goal! Yay!
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