Percentages
7 videos
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Pre-algebra - Why Percentages Are Everywhere
Learn what percentages really mean: a simple concept of parts out of 100. Explores everyday examples like phone battery, discounts, and test scores with visual models.
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Pre-algebra - What Does Percent Actually Mean?
Learn what percentages really mean, from their Latin origins to visual representations. Discover why you can have more than 100% and how percents relate to fractions.
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Pre-algebra - Converting Between Fractions, Decimals, and Percents
Learn how to convert between fractions, decimals, and percentages using simple division and multiplication. Master the essential steps to switch between these three number formats.
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Pre-algebra - Benchmark Percentages You Should Know by Heart
Learn to calculate common percentages mentally using simple fractions. Master 1%, 10%, 25%, and 50% shortcuts to quickly find discounts and percentages without a calculator.
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Pre-algebra - Finding a Percent of a Number
Learn two methods to calculate a percent of a number: using fractions (percent over 100) or converting to decimals. Example shows finding 40% of $75 to calculate savings.
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Pre-algebra - What Percent Is One Number of Another?
Learn how to calculate percentages by dividing the part by the whole and multiplying by 100, demonstrated with a quiz score example of 18 out of 24.
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Pre-algebra - Solving Percent Word Problems Step by Step
Learn to solve percent word problems using the equation Part = Percent × Whole. Find the whole when given a part and percentage, like calculating total cost from a partial amount.