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.

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

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.

Put on your math detective hat and dive into this unit on decimal place value. You'll learn how to locate decimals on a number line, see which ones are bigger or smaller, and round them to the …

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

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

If we have our decimal, let's first put our decimal. Over here to the left of the decimal's our ones place value. We don't have any ones here so we'll put a zero, zero ones, but then next is …

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.

Round decimals and whole numbers to the nearest thousand, hundred, ten, one, tenth, or hundredth.

Learn how to add decimals, specifically to the tenths. Practice adding whole numbers first, then adding the decimal parts. Learn the concept of carrying over in decimal addition.