Posted by Barbara on Thursday, March 12, 2009 at 4:35pm.
In estimating what is the countingup method and the tradefirst method?

3rd grade math  bobpursley, Thursday, March 12, 2009 at 5:48pm
counting up.
Example 432195.
take five to make 200, then 200 more (total 205) to make 400, then add 32, total 237.
Tradefirst method.
http://ouronlineschools.org/Schools/NC/Demoschool/3rdGrade/Math/Reviews/TradeFirstSubtractionMethod.htm

3rd grade math  Andrea, Thursday, March 12, 2009 at 10:57pm
I don't get a synonym for cloudy,wait,annoying,help,circle,and splash

5th Grade Math  Grace, Monday, March 23, 2009 at 7:30pm
LOSER!
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