Content Videos (Lectures and animations to supplement lessons):

• Adding and Subtracting with Negative Integers 1
• Adding and Subtracting with Negative Integers 2
• Subtracting Integers
• Rewriting Subtraction as Addition

Interactives (Online activities for student interaction & practice with content):

• Adding and Subtracting Using an Elevator Model
• Adding and Subtracting Integers
• Using a Number Line to Find Sums and Differences 1
• Using a Number Line to Find Sums and Differences 2

Games (Online games for students to apply & test their content knowledge:

• Integer Subtraction 1
• Integer Subtractions 2