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.

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

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

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

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.

To figure out where the decimal belongs in your answer, put your fingers on each decimal in the numbers you multiplied together. Then, trace the decimals until your fingers meet at a corner …

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.

Practice identifying place value names for decimal numbers. For example, the 3 in 4.563 is in the thousandths place.

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 …