About This Lesson
The lesson begins with a review on number lines as a do now. After, it goes right into defining additive identity and opposite. There are a few practice problems to make sure students understand these vocabulary words. The heart of the lesson is in the exploration. Students will be guided to understanding where the name opposite comes from, and why they are important in math. Following the exploration, a summary of what students found will take place, followed by practice and an individual exit ticket. Aligned to Common Core State Standard: 6.NS.6