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Decimal place value review (article) | Khan Academy
Decimal place value The first digit after the decimal represents the tenths place. The next digit after the decimal represents the hundredths place. The remaining digits continue to fill in the place values until …
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 doesn't change …
Strategies for multiplying multi-digit decimals by whole numbers …
Learn how to multiply decimals and whole numbers. The video presents two strategies: converting decimals to tenths and multiplying, then converting back, and using estimation to determine where …
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.
Decimals in words (practice) | Khan Academy
Practice writing decimal numbers in word form and number form.
Conversão de porcentagens, frações e números decimais
Converter um número decimal em uma porcentagem pode ser confuso quando o número decimal está em décimos. Vamos ver se você consegue resolver essa!
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 …
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 same order. …
Dividing whole numbers to get a decimal (video) | Khan Academy
In this math lesson, we learn how to divide two numbers and find a decimal answer. We divide 63 by 35, first getting a remainder of 28. To obtain a decimal result, we add a zero to 63, making it 63.0, and …