Khan Academy
Solving Percent Problems, Decimals, Pre-Algebra
Converting percents to decimals, and the other way around, can be tricky. Sal shows young mathematicians how to simplify this process with two sample equations and one word problem.
Curated OER
How Do You Turn a Decimal Into a Percent?
Multiply a decimal number by 100 to get a percent number. Or take a shortcut and merely move the decimal point two places to the right. But don't forget to write the percent sign after you move the decimal. Otherwise it's just a number...
Curated OER
How Do You Put Fractions, Decimals, and Percents in Order?
A series of fractions, decimal numbers, and percentages that have to be put in some order. Many young mathematicians skip problems like this because they have to do some converting and if long division is involved many definitely skip...
Curated OER
Changing Percents into Fractions
Find out what a percent is, how it relates to fractions, and how to change a percent into a fraction. Viewers are shown three different examples where 100 becomes the denominator and the newly formed fraction is reduced. This clip could...
Curated OER
Changing Fractions into Percents
While this method only works on certain fractions, it does help learners see the relationship between fractions and percentages. The tutor works through three example problems where he simply changes the denominator to 100 and then...
Curated OER
Changing Decimals into Percents
Apparently all you need to know when converting a decimal into a percent, is that the decimal moves over two places. Watch how tutor Duane simply makes the decimal point jump in order to convert a decimal into a percent.