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Q&A #212

Teachers' Lounge Discussion: Teaching elapsed time

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From: Shirley McClenny <s_mcclenny@yahoo.com>
To: Teacher2Teacher Public Discussion
Date: 2005112923:15:16
Subject: teaching elapsed time

	
I use a T-chart to teach elapsed time.  Make a T chart with a long
horizontal line near the top of the T.  Start with the beginning time
on the far right side.  Put a dash and then write what the time would
be one hour from then (ex:  8:25 - 9:25 = 1 hour).  Let's assume that
the ending time is 11:46.  Beneath 8:25 write 9:25 - 10:25 = 1 hour.
Beneath 9:25 write 10:25 - 11:25 = 1 hour.  Remember, all of this is
lined up on a T-chart.  I put the actual times on the right side and
the calculated amount of time on the left side of the T-chart.  Next,
write 11:25 - 11:46 = 21 minutes.  Draw a line beneath the hours and
minutes so you can add them:
______________________________/___________________________________
                              /
           8:25 - 9:25        /    1 hour          
           9:25 - 10:25       /    1 hour        
           10:25 - 11:25      /    1 hour                           
           11:25 - 11:46      /             21 min.
                                  +________________
                                   3 hours  21 min.

Hope this helps!

Shirley

P.S.  If you have a good idea, please share it with me.

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