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.

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.

Learn decimals with Khan Academy's interactive lessons, covering topics like place value, addition, subtraction, and more.

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

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

Ups. Algo salió mal. Por favor inténtalo otra vez. Oh no, parece que encontramos un error. Necesitas actualiza. Si este problema persiste, avísanos.

Sal was doing 21/16, and made it 21.0000/16 We add the zeroes on the quotient number just in case the division results in more digits in the answer. Appending a 0 to the end of a decimal doesn't change …

Learn Decimals as words Relating decimals and fractions in words Decimal place value

8 goes into 1 no times, so we create a decimal point and go to the tenth's place. 8 goes into 10 (which is technically 1.0) one time, leaving a 2 (which is 0.2) remaining.

Introduction to decimal place values and the value of decimal digits. Created by Sal Khan and Monterey Institute for Technology and Education.