In this video lesson, Larry Perez demonstrates how to add large numbers using a number line. Using a student named Charlie as an example, Perez shows how to move to the right or left and count the number of spaces to reach the answer. He also shows how to subtract by moving in the opposite direction. Through multiple examples, viewers learn how to use a number line to solve simple math problems.
Adding large 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.