Using the theme of the Smurfs, this unit is a 5 day unit addressing the Common Core Learning Standard, 1.0A.6. 1st grade students will use addition and subtraction and demonstrate fluency. They will apply this knowledge at the during the unit by creating their own math models with another image that the students love. The assessment will have a variety of questions, and will be timed for fluency. Rigorous for 1st grade, just right to try out for the Race to the Top, new Common Core Standards. In