
Decimals and place value | Arithmetic | Math | Khan Academy
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.
Decimals | Arithmetic (all content) | Math | Khan Academy
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.
Decimal place value review (article) | Khan Academy
Want to learn more about decimal place value? Check out this video. Want to review whole number place value? Check out this article.
Decimal place value (video) | Khan Academy
Sal introduces decimal numbers and understanding place value to the right of the decimal.
Place value concepts for decimal operations | Khan Academy
In this unit, learners develop decimal understanding through place value and fraction thinking, representing decimals to thousandths and comparing, rounding, and naming them in various forms.
Worked example: Converting a fraction (7/8) to a decimal
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.
Unités de numération dans un nombre décimal - Khan Academy
Ce chapitre aborde la notion de nombre décimal et comment les situer sur la droite graduée ainsi que les quatre opérations avec des nombres décimaux.
Understand decimals | 4th grade math | Khan Academy
Decimal fractions Learn Understand decimals: FAQ Writing a number as a fraction and decimal
Multiplying decimals example (video) | Khan Academy
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 in the …
Dividing a decimal by a whole number (video) | Khan Academy
In this math lesson, we learn how to divide decimals using long division. The key is to place the decimal point correctly and treat it like a regular long division problem. By following these steps, we can …