- 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
- Decimal place value (video) | Khan Academy
Sal introduces decimal numbers and understanding place value to the right of the decimal
- 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
- 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
- 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 lattice
- Understand decimals: FAQ (article) | Khan Academy
How do I compare two decimals? To compare two decimals, we can look at the whole numbers before the decimal point If one of these is larger, we know that number is larger overall If the whole numbers are the same, we can compare the decimal digits, starting on the left
- 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 what each digit represents (0-9 versus 0 1)
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