Grade Five Math » Homeroom http://fenzel.edublogs.org Discuss everything math here! Thu, 26 Mar 2009 14:41:54 +0000 http://wordpress.org/?v=2.8.2 en hourly 1 Percents in your mind http://fenzel.edublogs.org/2009/01/21/percents-in-your-mind/ http://fenzel.edublogs.org/2009/01/21/percents-in-your-mind/#comments Wed, 21 Jan 2009 18:49:06 +0000 fenzel http://fenzel.edublogs.org/?p=18 How can you use mental math with fractions, percents, and decimals?  Or, how can you use mental math to find percentages of a number?  Explain and give one example.

 Now, try to use mental math for this game:

http://www.mathplayground.com/Matching_Fraction_Percent.html

 

]]> http://fenzel.edublogs.org/2009/01/21/percents-in-your-mind/feed/ 0 Exponents http://fenzel.edublogs.org/2008/09/11/exponents/ http://fenzel.edublogs.org/2008/09/11/exponents/#comments Thu, 11 Sep 2008 17:56:21 +0000 fenzel http://fenzel.edublogs.org/?p=12 Exponents are a brand-new concept for us.  You’re really going to have to think of multiplication in a new way.  Pretend that I don’t know anything about exponents.  Explain to me why I get a much larger product when I solve 4 to the 3rd power than when I solve 4 X 3.  Use math words such as exponent, base, and power.

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