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Matemagicas con Arthur Benjamin

Estan en ingles, pero se entienden, si consigo el libro lo posteo, por ya me los baje a todos y me falta el librito para hacer un par de cosas


Part- 1: Introduction, Adding 2- and 3-digit numbers
http://www.youtube.com/v/zzG6xT5RYD8
http://www.youtube.com/watch?v=zzG6xT5RYD8

Part-2: Adding 2- and 3-digit numbers, Calculating tips, Subtracting 2- and 3-digit numbers
http://www.youtube.com/v/_fleKvsheY0
http://www.youtube.com/watch?v=_fleKvsheY0

Part 3: Subtracting 2- and 3-digit numbers
http://www.youtube.com/v/hIuXFJlYGxo
http://www.youtube.com/watch?v=hIuXFJlYGxo

Part 4: Subtracting 2- and 3-digit numbers, Multiplying 2- and 3-digit numbers by 1-digit numbers
http://www.youtube.com/v/tQdC9KAd7Xw
http://www.youtube.com/watch?v=tQdC9KAd7Xw

Part 5: Multiplying 3-digit numbers by 1-digit numbers, Percentages, Division of 2- and 3-digit numbers by 1-digit numbers
http://www.youtube.com/v/eoRTUlfC2Sc
http://www.youtube.com/watch?v=eoRTUlfC2Sc

Part 6: Division of 3-digit numbers by 1-digit numbers
http://www.youtube.com/v/MANuqfO_-dg
http://www.youtube.com/watch?v=MANuqfO_-dg

Part 7: Multiplying fractions
http://www.youtube.com/v/ZsokvSglFWc
http://www.youtube.com/watch?v=ZsokvSglFWc

Part 8: Multiplying, Adding and subtracting fractions, Converting fractions to decimals
http://www.youtube.com/v/YeApatq4erE
http://www.youtube.com/watch?v=YeApatq4erE

Part 9: Converting fractions to decimals, Estimation, Squaring
http://www.youtube.com/v/WNqyWI9F5f0
http://www.youtube.com/watch?v=WNqyWI9F5f0

Part 10: Squaring, Algebra
http://www.youtube.com/v/fnhNcndTvJE
http://www.youtube.com/watch?v=fnhNcndTvJE

Part 11: Algebra, Fibonacci addition trick
http://www.youtube.com/v/qmth2VdeCCI
http://www.youtube.com/watch?v=qmth2VdeCCI
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