http://nlvm.usu.edu/en/nav/frames_asid_106_g_2_t_1.html

Finding equivalent fractions and then adding them.

 

http://www.quia.com/cc/65724.html

Practice turning fractions to decimals playing concentration. (Memory)

 

http://www.iknowthat.com/com/L3?Area=FractionGame

Different activities with fractions.  Work on adding or subtracting fractions only.