The link below provides some awesome examples and resources to use when teaching fractions! They came from the Jefferson County School District.
http://jcps.jefferson.kyschools.us/AngelUploads/Content/Ongoing_143H_Analytical_AppliedSciences_Math/_assoc/D083411D1AC24ED380B8080A6E4E063B/Cycle3/4th_Grade_Cycle3_Curriculum_Map_2013-14.pdf