If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

## Arithmetic (all content)

### Course: Arithmetic (all content)>Unit 3

Lesson 6: Multiplication: place value and area models

# Multiplying with area model: 78 x 65

Sal uses an area model to multiply 78x65. Created by Sal Khan.

## Want to join the conversation?

• if you do 78 times 65 and then 65 times 78 will you get the same answer?
• 78*65=5070
65*78=5070
78*65=65*78
You will get the same answer because of the commutative property of multiplication.
• at he says "i just made it a little more explicit" what does that mean in math?(i know it does not mean what it normally means)
• According to the Merriam-Webster dictionary, explicit means "fully revealed or expressed without vagueness, implication, or ambiguity : leaving no question as to meaning or intent".
Basically, he's saying that he made it easier to see; in this use, it's just a general phrase, not a math one.
• all you have to do is multiply the numbers then you add then all up and you get your answer its that easy
• pls upvote im doing a challenge with my friend
• does any body like kittens upvote me if you do. They are so cute
• If you Love them than upvote me
• sal how do this stuff are you really good at it
• he smat
• Nobody even asks questions here. Its just people asking for upvotes or posting the transcript. Or people saying "Learn proper english," as an insult, though the person used correct grammar.
• my mom said please make this easily pls