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Lesson 6: Multiplying decimals

# Decimal multiplication place value

When we rewrite decimal multiplication using fractions, we can use the commutative and associative properties of multiplication to justify how we place the decimal point in the standard multiplication algorithm. Created by Sal Khan.

## Want to join the conversation?

• im going to 6th grade im really scared😰
• Trust me 6th grade isn't that hard. And that's coming from me who's an 8th grader and still in advanced math and Ela ( which i was also in in 6th and 7th grade). If you're ever nervouse though just take a deep breath and repeat to yourself I can do this.
• how did you know all of this
• because hes just smart like that
• i don´t get why he does all this work when you can just use a calculator 🫥
• I think he does this work to help us understand the process better. Also, this information would help if you were on a math test and you were not allowed to use a calculator.
• and also why is he shouting ten THOUSANDTHS
• Isn't their an easier way to multiply decimals?
• There*. And also, no. There is not.
(1 vote)
• hello im from the year 2023
• I'm from '2024'
(1 vote)