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Intro to Percents
Summary
The content provides a comprehensive guide on understanding and converting percents, decimals, and fractions, essential for GRE exam preparation.
- Percents are fundamentally fractions or decimals divided by 100, originating from the Latin term 'per centum'.
- Converting between percents and decimals involves moving the decimal point two places to the left or right, depending on the direction of conversion.
- Changing from percents to fractions is straightforward by placing the percent over 100, while converting fractions to percents requires decimal conversion first.
- Approximating percents from fractions or division is crucial for the GRE, with strategies provided for making quick and accurate estimations.
- The content emphasizes the importance of understanding multiples of ten and fraction to decimal conversions for mastering percent-related problems.
Chapters
00:05
Introduction to Percents
00:00
Converting Percents to Decimals and Vice Versa
02:04
Converting Percents to Fractions and Vice Versa
04:07
Approximating Percents from Fractions
