In this lesson, teachers can guide students through multiple examples of using number lines to solve addition of rational numbers. There are additional examples for students to complete on their own as well as some absolute value examples. All answer keys are provided. This lesson is part of my Real Numbers Unit which includes a module review, a module practice test, and a module test with answer keys.ALSO INCLUDED:Curriculum Map with Standards and Pacing: (See preview) The Curriculum Map shows