Author #120: The Multiplication of One Grain of Rice with Demi

And this is why you never agree to do one minute of homework at the beginning of the school year, with the homework doubling each class period.  One Grain of Rice by Demi  is an clear way to teach about the power of exponents. Rick Regan explains it far better than I ever could in his post on the exploring binary website: http://www.exploringbinary.com/1073741823-grains-of-rice/