The following documents are great practice for Chapter 4 Checkpoint Quiz (Adding and Subtracting Mixed Numbers)
Below is a Link that you can copy and paste into a new link for more practice
http://www.commoncoresheets.com/oat.php?oattype=Math/Fractions/Adding-Sub%20Mixed%20Dif%20D
Below is a Link that you can copy and paste into a new link for more practice
http://www.commoncoresheets.com/oat.php?oattype=Math/Fractions/Adding-Sub%20Mixed%20Dif%20D