This inclusive curriculum provides a one-stop math shop for addition of decimals to the hundredths! Skills practiced in this unit include lining up the decimals, carrying, and inserting zeros when adding decimals to a whole number. Geared for grades 4 through 8, this product includes a pretest and a post-test for diagnosis, two levels of practice worksheets, and a game worksheet. A separate answer key is also included. This curriculum can be used in whole or in part to provide extra practice, to reinforce skills, to give a change of pace, or as an enrichment activity for the entire class, small groups or individuals.