In this lesson on subtracting negative numbers, Professor Perez uses a number line to demonstrate the process. The concept of subtracting a negative number is explained, and Charlie helps solve various problems. The lecture also establishes the rule that subtracting a negative number is the same as adding a positive number. The lesson ends with a reminder to complete the workbook problems and homework.
How to subtract negative numbers using a number line.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.