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intro to percents
summary
the content provides a comprehensive guide on understanding and converting percents, decimals, and fractions, essential for sat exam preparation.
- percents are fundamentally fractions with a denominator of 100, derived from the latin term 'per centum'.
- converting between percents and decimals involves moving the decimal point two places to the left or right.
- changing percents to fractions is straightforward, requiring the percent to be placed over 100 and simplified if necessary.
- converting fractions to percents can be more complex and often requires converting the fraction to a decimal first.
- approximating percents from fractions or division is a useful skill, with strategies provided for making close estimations.
chapters
00:00
understanding percents
01:19
converting percents to decimals and vice versa
02:38
converting fractions to percents
04:07
approximating percents from fractions
