Integer Videos

Intro to Numbers with Negative Signs

• http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/negative-numbers-introduction

Collecting signs of negative and positive numbers

• http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/adding-negative-numbers
• http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/adding-integers-with-different-signs
• http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/adding-subtracting-negative-numbers

Problem Solving

• http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/u09-l1-t2-we4-adding-real-numbers-application

Multiplying and Dividing Negative Numbers

• http://www.khanacademy.org/math/arithmetic/negative-numbers/v/multiplying-positive-and-negative-numbers
• http://www.khanacademy.org/math/arithmetic/negative-numbers/v/dividing-positive-and-negative-numbers

Why a negative times a negative is positive

• http://www.khanacademy.org/math/arithmetic/negative-numbers/v/why-a-negative-times-a-negative-is-a-positive