Practices : 1. http://www.beaconlearningcenter.com/weblessons/gettheidea/default.htm
2.http://www.studyzone.org/testprep/ela4/h/mainideap2.cfm
3.http://www.studyzone.org/testprep/ela4/h/mainideap3.cfm
4. http://www.testprepreview.com/modules/readingmainidea.htm
5.http://www.laflemm.com/dynamic/online_practice.php?practice_id=17
