
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.
Understand decimals: FAQ (article) | Khan Academy
Frequently asked questions about decimal fractions.
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.
Nombres décimaux | Arithmétique | Mathématiques | 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.
Decimal place value: FAQ (article) | Khan Academy
What are decimals? Decimals are a way of writing numbers that include parts of a whole. They are written with a decimal point to separate the whole number from the fractional part. For example, 2.5 …
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.