Holy cow! A shortcut? Yep. For each ten you multiply or divide by, just shift that decimal to the right or left. Watch this and be amazed.
Understanding moving the decimal is a free educational video by Khan Academy.It helps students in grades 5 practice the following standards 5.NBT.A.2.
1. 5.NBT.A.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..
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