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

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.

This video introduces multiplying decimals, emphasizing the role of decimal placement in the product. It highlights the usefulness of estimation in simplifying calculations and understanding …

Practice Subtracting decimal numbers Learn Strategies for subtracting basic decimals

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

Review how the decimal number system works before diving into the binary number system. The decimal number system and binary number system work the same way; the only difference is …

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

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 …

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 …

Make sense of decimal subtraction Estimate and subtract Addition and subtraction Multiply decimals and whole numbers Use whole number facts Use properties to multiply decimals …