
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 (video) | Khan Academy
Sal introduces decimal numbers and understanding place value to the right of the decimal.
Understand decimals | 4th grade math | Khan Academy
Decimal fractions Learn Understand decimals: FAQ Writing a number as a fraction and 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.
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.
Expressing decimals in multiple forms (video) | Khan Academy
Learn all about understanding how to express decimals in various forms. Learn to break down decimals into place values, show how to write them in expanded form, separate each decimal part, and …
Place Value Concepts for Decimal Fractions | Khan Academy
Compare measurements expressed as decimal numbers Learn Key ideas: compare measurements expressed as decimal numbers Use pictorial representations to compare decimal numbers
Rewriting decimals as fractions: 0.36 (video) | Khan Academy
Do you remember the decimal place values? Like, 0.4 is 4 tenths or 4/10? We use the same idea to rewrite decimals as fractions. For example, 0.14 as a fraction. We see the smallest place value is 4 …
Adding decimals with ones and tenths parts - Khan Academy
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.