Ch 19: TExES Core Subjects 4-8: Calculations, Ratios & Proportions

About This Chapter

Let us help you prepare for your Texas Examinations of Educator Standards (TExES) Core Subjects 4-8 test. The lessons in this chapter cover calculations, ratios and proportions, topics that you may encounter on the test.

TExES Core Subjects 4-8: Calculations, Ratios & Proportions - Chapter Summary

These engaging video lessons provide a refresher for calculations, ratios and proportions, in order to help you prepare for the TExES Core Subjects 4-8 test. Upon completion of this chapter you will be better able to answer test questions about such lesson material as:

  • Rations and rates
  • Applications of proportions
  • Steps for solving interesting problems
  • Taxes and discounts calculations
  • Solutions for problems with time
  • Distance formulas

You can take the provided quiz after each lesson to assess your understanding of the material you just studied. If you want to review part of the material on any of the video lessons, you can refer to the transcript or you can use the video timeline tool to replay a specific section. You can also submit questions to the instructor if your need further clarification.

6 Lessons in Chapter 19: TExES Core Subjects 4-8: Calculations, Ratios & Proportions
Test your knowledge with a 30-question chapter practice test
Ratios & Rates: Definitions & Examples

1. Ratios & Rates: Definitions & Examples

If we have two items, or two numbers, and we want to compare them, what language can we use? How do we write the comparison? Find out as we learn about ratios and rates in this lesson.

Proportion: Definition, Application & Examples

2. Proportion: Definition, Application & Examples

When we want to compare one ratio, or fraction, to another equivalent ratio, it's a proportion. Learn all about proportions and practice solving proportion problems in this lesson.

How to Solve Interest Problems: Steps & Examples

3. How to Solve Interest Problems: Steps & Examples

If you want to know how your money can earn money, then it's essential to learn about solving interest problems. In this lesson, we'll practice calculating interest amounts and interest rates.

Taxes & Discounts: Calculations & Examples

4. Taxes & Discounts: Calculations & Examples

When you go shopping, you don't want to be surprised by the amount of tax on an item. You also want to fully understand discounts to know how much you can save. In this lesson, we'll practice calculating both tax and discounts.

How to Solve Problems with Time

5. How to Solve Problems with Time

It's amazing how much time can be saved when people work together. In this lesson, we'll practice figuring out just how much time we're talking about as we solve problems involving time.

Distance Formulas: Calculations & Examples

6. Distance Formulas: Calculations & Examples

Let's go on a road trip! In this lesson, we'll practice calculations involving distance, rate and time. We'll also look at how we determine the relationship between distance and fuel.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the TExES Core Subjects 4-8 (211): Practice & Study Guide course

Support