🔑 Key Concepts
- A percent increase means the new amount is greater than the original amount.
- You can find the new value by adding the percent increase to 100%.
- The result is multiplied by the original value.
- This method is often called the multiplier method.
- Percent increase problems appear in growth, salary raises, and measurement comparisons.
✏️ Worked Examples
🧠 Math Vocabulary
- Percent Increase: the amount a value grows compared to the original amount.
- Original Value: the starting amount before the increase.
- New Value: the amount after the increase.
- Multiplier: the decimal used to increase a value.
- Growth: an increase in size, value, or amount.
💡 Main Idea
When a quantity increases by a percent, the new value can be found by adding the percent increase to 100% and multiplying by the original value. This method provides a fast and reliable way to solve percent increase problems in many real-world situations.
📚 What You Should Already Know
Students should know how to convert percentages to decimals and multiply whole numbers and decimals.
🚀 What Comes Next
Students will apply percent increase skills to sales tax, population growth, salary raises, and compound percent problems.