This video is one of a series (all 5 minutes and under) which align to the 5th Grade Common Core Math Standards. This particular video relates to 5.NBT.2 " Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10."
You can download this video and include it in your own blogs or class website. It is a useful tool for 'virtual teaching' to students at home, or educating parents in a dignified way, or using directly in your classroom with your kids.
Technical Note: This video is a (.swf) Flash file. It may be opened directly on most computers. An alternate method for opening the file is to right-click on your downloaded file, and choose 'Open With...' and select Windows Media Player.