Understand the placement of the decimal point in calculations of multiplication and long division, including the placement in the estimation of the answer. 0506.2.7

Links verified on 12/7/2011

1. Decimals, Whole Numbers, and Exponents - explanation from the Math League
2. Division Facts - an index of topics from AAA math
3. Draggable Division - this new version has a host of new features including large and small numbers that can be dragged anywhere on the screen, the option for students to correct incorrect answers, new paper types, and much more
4. Long Division: An Easier Way - from Math Mojo (they try to make math easier)
5. Long Division to Decimal Places - from Math is Fun

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