Kit Library / Mathematics / Arithmetic
⚡ Topic Learning KitPercentages: Conversion, Evaluation and Change
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Percentages: Conversion, Evaluation and Change
This topic covers the core percentage skills: converting between fractions, decimals, ratios and percents, evaluating a given percent of a quantity, finding the whole when a percent is known, and computing percentage inc…
- A **percent** is a fraction with denominator 100; the symbol $\%$ means "per hundred".
- To express a fraction as a percent, multiply by $100\%$: $\frac{a}{b} \times 100\%$.
- To express a percent as a fraction, divide by 100 and simplify to lowest terms.
~15 min · full explanation, examples & memory tricks in the app
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