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 - 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.
Converting fractions to decimals (practice) | Khan Academy
Practice converting a fraction to a decimal. Solutions include repeating decimals.
Decimal place value | 5th grade math | Khan Academy
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 …
Round decimals (practice) | Khan Academy
Round decimals and whole numbers to the nearest thousand, hundred, ten, one, tenth, or hundredth.
Adding decimals: 9.087+15.31 (video) | Khan Academy
Adding decimals is an essential math skill. To add decimals, such as 9.087 and 15.31, align the decimal points and place values. Fill in any missing digits with zeros to make the numbers the …
Decimal system refresher | AP CSP (video) | Khan Academy
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 …
Dividing decimals completely (video) | Khan Academy
Since a decimal can be converted into a fraction, and division by a fraction is the same as multiplication by its reciprocal, there are some tricks we can use when dividing by decimals!
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