# The Distributive Law Of Multiplication Over Addition | Pre-Algebra | Khan Academy

Learn how to apply the distributive law of multiplication over addition and why it works. This is sometimes just called the distributive law or the distributive property.

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Pre-Algebra on Khan Academy: No way, this isn’t your run of the mill arithmetic. This is Pre-algebra. You’re about to play with the professionals. Think of pre-algebra as a runway. You’re the airplane and algebra is your sunny vacation destination. Without the runway you’re not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We’re about to take off!

## 18 thoughts

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2. charmander024 51 says:

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3. SepticScorpion says:

THANK YOU SOOOOOOOO MUCH.This was super helpful.

4. berny leveque says:

thanks so much you helped me understand this

5. Robert Bostrom says:

Thanks so much! This is so much more helpful than the books with the huge pictures of equations that “help” you learn. Maybe I am just a visual learner

6. Roberto Reyes says:

I remember that one time I remembered about something I was trying remember. Do you guys remember?

7. Ernesto Courtney says:

thanks you helping me so much in school

8. Koss says:

If it’s the same answer either way, nitpicking over method is simply convoluted smoke & mirrors.

9. Maria Nguyen says:

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