📝 Practice Worksheets
🛠️ Related Tools
🔑 Key Concepts
- Percent means “out of 100.”
- The whole amount represents 100%.
- The part is compared to the whole to find the percent.
- A percent proportion can be written using part over whole equals percent over 100.
- Cross products or equivalent fractions can be used to solve percent word problems.
✏️ Worked Example
🧠 Math Vocabulary
- Percent: A ratio that compares a number to 100.
- Part: The amount being compared to the whole.
- Whole: The total amount or original amount, which represents 100%.
- Proportion: An equation showing that two ratios are equal.
- Percent Proportion: A proportion that compares the part and whole to a percent out of 100.
💡 Main Idea
In this lesson, students learn how to solve percent word problems by using a part-to-whole relationship. The amount being compared is placed over the original whole amount, and the percent is written over 100. This helps students understand that 100% represents the whole amount.
📚 What You Should Already Know
Students should already understand fractions, ratios, equivalent fractions, and how to solve simple proportions. It also helps to know that percent means “out of 100.”
🚀 What Comes Next
After learning to find what percent one amount is of another, students can solve percent increase, percent decrease, discount, tax, tip, and real-world percent application problems.
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