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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 …
Fraction to decimal with rounding (video) | Khan Academy
Sal was doing 21/16, and made it 21.0000/16 We add the zeroes on the quotient number just in case the division results in more digits in the answer. Appending a 0 to the end of a 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 …
Estimating decimal addition (video) | Khan Academy
Yes you can use normal stacking addition for decimals, but make sure to line up the decimal points and put a decimal point directly underneath them in the answer.
Écrire un nombre décimal en lettres (leçon) | Khan Academy
Revoir comment écrire un nombre décimal en lettres et faire quelques exercices d'application.
Powers of ten: FAQ (article) | Powers of ten | Khan Academy
When you divide a decimal by 10 , 100 or 1,000 , you're effectively shifting the decimal point to the left.
Understanding decimal multiplication (video) | Khan Academy
Practice using estimation as a strategy to better understand decimal multiplication. Use the product of whole numbers to help determine the product of decimals with the samedigits in the …
Converting repeating decimals to fractions - Khan Academy
Practice converting 1- and 2-digit repeating decimals to fractions.
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 …