Instructional Video13:12
Curated Video

Subtracting Rational Numbers

9th - 12th
In this video lesson we will learn that we use the same rule for subtracting rational numbers as we did for subtracting integers. We will rewrite the subtraction problem to be an addition problem by adding the opposite value. Fondly...
Instructional Video19:42
Curated Video

Adding Integers

9th - 12th
In this video lesson, you will learn the rules for adding integers with the same sign and adding integers with different signs. We will begin by using integer chips to model the solution process. We will identify zero pairs and use the...
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Inverse Property of Addition

9th - 10th
This video demonstrates the inverse property of addition. Practice problems are available. [2:59]
Instructional Video
Khan Academy

Khan Academy: Arithmetic Properties: Inverse Property of Addition

9th - 10th Standards
This video demonstrates the simple idea that a number plus its negative is 0.