Math Mammoth
Math Mammoth: How to Turn Subtraction of Integers Into Addition: Why It Works
This video explains how to subtract negative integers and how this would work on a number line. Problems with the addition and subtraction of several integers are then presented. [10:26]
Math Mammoth
Math Mammoth: Subtracting a Negative Integer: Three Models to Justify the Rule
This lesson introduces the topic of subtracting negative integers. It explains how to think about it and some strategies to use when subtracting them. [10:38]
Math Antics
Math Antics: Adding and Subtracting Integers
In this video, students can learn about adding and subtracting integers. [11:23]
Other
Professor Freedman's Video Snippets Add/subtract Integer
Professor Ellen Freedman uses this very short video to explain how to add and subtract positive and negative integers. She offers tips on how to keep track of whether the answer is positive or negative.