In this 4 page lesson, your students will be adding and subtract decimals. The majority of this lesson focuses on adding and subtracting decimals using word problems. This lesson is broken into five sections. In Baltimore County, we call this a 5E lesson. Each "E" stands for a separate piece of learning throughout the lesson. The "5E's" are engage, explore, explain, extend, and evaluate. This lesson includes most of the 5E's. The is one evaluation page for this lesson.