3rd grade math
posted by Barbara .
In estimating what is the countingup method and the tradefirst method?

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 
I don't get a synonym for cloudy,wait,annoying,help,circle,and splash

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