Instructional Video
Other

Organic Chemistry Tutor: Addition and Subtraction of Numbers

3rd - 8th Standards
This video provides a basic introduction to mathematics, in particular, the process of addition and subtraction of positive and negative numbers using a number line or by hand. It contains plenty of examples and practice problems on...
Instructional Video
Loyola University Chicago

Math Flix: Reading and the Coordinate Plane

5th - 7th Standards
This video provides an introduction to all four quadrants of the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [5:28]
Instructional Video
PBS

Pbs Math Club: What Is an Integer?

4th - 9th Standards
This episode of Math Club defines integers, explains the difference between positive and negative numbers, shows how integers are represented on a number line, and demonstrates how to determine integers with greater value. [4:30]