Considering this is a problem for a third 3rd grade class, I get :
diamond=38, circle=40, square=440, triangle=88, hexagon=115, oval=230.
I'd be interested to hear what solution you came up with, and the solution the teacher gave (my wife teaches elementary school). I'm not claiming to be a "math professional", but I hope this helps you out.
Michael
--Michael ClabornActuarial AnalystThe Infinity Group phone : (205) 803-8274 fax : (205) 803-8487 email : michael.claborn@infinity-insurance.com
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