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# Decimals & fractions on the number line

We're mixing it up by placing both fractions and decimals on the same number line. Great practice because you need to move effortlessly between the two. Created by Sal Khan and Monterey Institute for Technology and Education.

## Want to join the conversation?

• what is a number line?
• do you live under a rock
• How does he make all these videos?
• Could I put a rational number in a number line?
• But what about something like 9/20 how do you put it on the number line?
• That's easy....you divide the space between 0 and 1 in 200 equal parts and then mark the 9th part. That represents 9/20.
• How Long Can A Number Line Be?
• Since numbers go on for infinity, a number line is also infinite, we usually fit it into our notebooks and textbooks by labeling down the numbers we are going to use, and then making an arrow at both of the ends in a number line to indicate that the numbers go on for infinity
• Wait So 2 1/4 would be the same as 2.4?
• No, it wouldn't because 0.4 is equal to 4/10 or 2/5 which is not the same as 1/4.
• I'm getting the hang of this, but
when I'm near perfect it always gives me a trick
question.
• What is a decimal
• A decimal shows parts of a whole and is represented by a . such as .5.