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2:49
Add or subtract fractions in a graphical way. It's a simple application of the first graphical multiplication trick. In fact, you will combine three multiplications to get a common denominator. The final drawing will have a "M" shape. The upper part shows the numerator, the lower shows the denominator. This trick is NOT meant to be efficient or even useful in everyday life, it's just a graphical, esthetic way to put a calculus. I have also added some info about multiplying by zero since it has been asked before. If you don't understand the video and haven't seen the first multiplication trick, you might want to check it at: www.metacafe****/watch/296904/easy_mental_multiplication_trick
17 Dec 2006
29433
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9:33
This video of 1 of 7 that uses the free workbook to teach fractions available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
17 Apr 2008
408
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8:15
This video #2 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
17 Apr 2008
404
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8:25
This video #2 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
28 Apr 2008
783
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9:32
This video #4 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
17 Apr 2008
324
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9:50
This video #5 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
22 Aug 2009
711
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7:57
This video #6 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
27 Apr 2008
2062
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9:56
This video #7 of 7 uses the free workbook to teach fractions. It is available at www.adreamforabetterworld****. The website is offering free educational videos and asking for donations to support its work and also fight atrocities in this world.
26 Aug 2008
905
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10:07
Check out our video on ""What is Fraction?" (Introduction to Fractions) Ever thought that having half piece of chocolate will have mathematics in it? Let's learn all bout and different types of "Fractions"
11 Jan 2017
688
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