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In this topic, we will learn what a decimal is and how to show it visually and on a number line. We will also add, subtract, multiply, and divide with decimals.

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Sal introduces decimal numbers and understanding place value to the right of the decimal.

Place value and decimals are related. We can begin by reviewing the concept of ones, tens, and hundreds places, and then demonstrates how tenths, hundredths, and thousandths places …

Want to learn more about decimal place value? Check out this video. Want to review whole number place value? Check out this article.

What are decimals? Decimals are a way of writing numbers that include parts of a whole. They are written with a decimal point to separate the whole number from the fractional part. For …

To convert a decimal to a fraction, we need to figure out the smallest place value of the digits. In this case, the smallest place is the ten-thousandths place, so the fraction will have a …

So I encourage you to pause the video and say and think about how would you represent 1/5 as a decimal. Well, there's a bunch of ways that you could think about it.

Practice writing decimal numbers in word form and number form.