# Ch 23: Calculations, Ratios & Proportions

Hone your problem-solving skills and prepare for the GED exam's mathematical reasoning exam with the video lessons and quizzes included in this chapter. Instructors outline steps for setting up equations used to calculate ratios, total cost, proportions and more.

## Calculations, Ratios & Proportions - Chapter Summary

Test questions on the GED math exam will assess your ability to use mathematical expressions and formulas to solve real-world problems. Get ready for them with video lessons that teach you how to calculate the following:

• Ratios and rates
• Total cost
• Proportion
• Interest and compound interest
• Tax charges and discount price
• Time and distance

Our math lessons are taught by knowledgeable instructors. Take advantage of their experience and expertise by watching short, illustrated videos lasting five to ten minutes each or reading the corresponding transcripts. Both formats include several sample problems, and the matching self-assessment quizzes are available if you'd like to try your hand at setting up an equation and solving problems on your own.

### Calculations, Ratios & Proportions - Chapter Objectives

The GED exam is used to ensure adult learners have the academic skills needed for success in college or job training programs en route to earning their high school equivalency diploma. The mathematical reasoning section of the test takes 90 minutes to complete, and about half of the test questions are designed to ensure you have the quantitative problem-solving skills needed to use math in everyday scenarios.

Lessons in this chapter can help you successfully answer questions that might ask you to factor in sales tax, sale discounts, the cost per unit and the number of units to find the total cost of a purchase. You can also prepare to perform calculations involving interest rate, principal and time or determine the relationship between distance traveled and miles per gallon.

9 Lessons in Chapter 23: Calculations, Ratios & Proportions
Test your knowledge with a 30-question chapter practice test
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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