Subtracting Negative Numbers

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Taught by muchomath
  • Currently 4.0/5 Stars.
3045 views | 3 ratings
Meets NCTM Standards:
Lesson Summary:

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.

Lesson Description:

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.

Questions answered by this video:
  • How do you subtract negative numbers on a number line?
  • Why is subtracting a negative the same as adding?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson explains subtraction of positive and negative numbers using a number line. It also describes each problem in two different ways. A nice way to understand operations with integers on a number line.