This document contains a lesson plan on positive and negative numbers on a number line. It includes exercises and problems for students to complete as a classwork assignment or independently. The lesson introduces plotting points on a number line and finding the opposite of a number. It has students graph points and their opposites, determine if a classmate's number line diagram is correct, choose numbers within ranges and graph their opposites and related integers. The lesson aims to build understanding of opposites and how positive and negative numbers are positioned in relation to each other on a number line.