Ch 4: GACE Math: Ratios & Proportions

About This Chapter

Watch these video lessons to refresh your understanding of ratios and proportions, as well as the calculations involving them, as you study for the GACE Math exam. The information in this chapter may help you tackle exam questions on these topics.

GACE Math: Ratios & Proportions - Chapter Summary

These lessons will help you review information on working with ratios and proportions, including scale factors and average rates. Our videos and quizzes offer a good chance to refresh your knowledge for the GACE Math exam and prepare for questions on the following:

  • Defining rates and ratios
  • Determining constant and average rates
  • Applying proportions
  • Calculating ratios and proportions
  • Using scale factors on area, volume and perimeter of similar figures

With these lessons and quizzes, our instructors have created a way for you to get a thorough review of these math topics. You can study at your own pace, anywhere you have access to the Internet. If you have questions after finishing the lessons, just contact the instructor for personalized assistance.

Objectives of the GACE Math: Ratios & Proportions Chapter

Passing the GACE Math exam is required of Georgia teachers desiring to be certified in teaching grades 6-12 mathematics. This exam is divided into two 45-question tests, and you must pass both parts to earn certification. The topics outlined in this chapter on ratios and proportions are in test I's subarea on number and quantity. This subarea makes up 30% of this test.

The GACE Math exam is administered on computer, and all questions are multiple choice. The brief quizzes that accompany our lessons offer a chance to assess your knowledge and also provide experience in answering questions in this format.

5 Lessons in Chapter 4: GACE Math: 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.

Finding Constant and Average Rates

2. Finding Constant and Average Rates

Watch this video lesson to learn the differences between constant and average rates. You will learn the steps you need to take to find them and get two great visuals you can keep in mind to help you solve these rate problems.

Proportion: Definition, Application & Examples

3. 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.

Calculations with Ratios and Proportions

4. Calculations with Ratios and Proportions

Even if only 99 out of 100 people need to know how to work with ratios, the odds that they'll be useful to you are very high. In this lesson, we'll practice performing calculations with ratios and proportions.

Applying Scale Factors to Perimeter, Area, and Volume of Similar Figures

5. Applying Scale Factors to Perimeter, Area, and Volume of Similar Figures

How do shapes change sizes yet retain their proportions and similarities to other shapes? In this lesson, we'll look at what a scale factor is and how to apply it. We'll consider scale factors with regards to three different aspects of similar shapes: perimeter, area and volume.

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

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Other Chapters

Other chapters within the GACE Mathematics (522): Practice & Study Guide course