📝 Practice Worksheets
🛠️ Related Tools
🔑 Key Concepts
- A ratio table can show the relationship between the part, the whole, and the percent.
- Percent means “out of 100,” so the percent row often compares to 100.
- The part is the amount being compared to the whole.
- The whole represents 100%.
- Equivalent ratios can be used to find a missing part or a missing whole.
✏️ Worked Examples
🧠 Math Vocabulary
- Percent: A ratio that compares a number to 100.
- Part: The amount being compared to the whole.
- Whole: The total amount, which represents 100%.
- Ratio Table: A table used to show equivalent ratios.
- Equivalent Ratios: Ratios that represent the same relationship.
💡 Main Idea
In this lesson, students use ratio tables to solve percent word problems. By comparing the part and the whole to a percent out of 100, students can use equivalent ratios to find a missing part or a missing whole.
📚 What You Should Already Know
Students should already understand fractions, ratios, percents, equivalent ratios, and basic multiplication and division. It also helps to know that 100% represents the whole amount.
🚀 What Comes Next
After solving percent word problems with ratio tables, students can connect this strategy to percent proportions, double number lines, equations, and real-world applications involving discounts, tips, tax, and percent change.
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