Posted by Barbara on .
In estimating what is the countingup method and the tradefirst method?

3rd grade math 
bobpursley,
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,
I don't get a synonym for cloudy,wait,annoying,help,circle,and splash

5th Grade Math 
Grace,
LOSER!