Solving Problems with Ratios, Rates, and Percents

Solving Problems with Ratios, Rates, and Percents

Learning Objectives

At the end of the lesson you will be able to solve multi-step problems involving ratios, rates, and percents. At the end of the lesson you will be able to calculate percent increase and decrease. At the end of the lesson you will be able to apply concepts of ratios, rates, and percents to real-world financial literacy problems.

What do you already know about ratios, rates, and percents?

Understanding ratios and rates

Ratio: A comparison of two quantities by division. Rate: A ratio that compares two quantities measured in different units.

Calculating percent increase and decrease

Percent Increase: A measure of how much a quantity has grown, relative to its original amount. Percent Decrease: A measure of how much a quantity has reduced, relative to its original amount.

Applying ratios, rates, and percents in financial literacy

Financial Literacy: The ability to understand and apply financial skills, including personal financial management, budgeting, and investing.

Key Definitions

Ratio: A comparison of two quantities by division. Rate: A ratio that compares two quantities measured in different units. Percent Increase: A measure of how much a quantity has grown, relative to its original amount. Percent Decrease: A measure of how much a quantity has reduced, relative to its original amount. Financial Literacy: The ability to understand and apply financial skills, including personal financial management, budgeting, and investing.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.