Ch 27: Time, Proportions, Ratios, Rates, Velocity & Density

About This Chapter

Complete the lessons and assessments in this chapter to improve your skills solving math problems with ratios, proportions and rates. These lessons will also deepen your understanding of how to find measures of density, time and velocity.

Time, Proportions, Ratios, Rates, Velocity & Density - Chapter Summary

The objective of this chapter is to help you improve your skills solving problems with proportions, ratios and rates, in addition to providing you with a way to improve your understanding of problems with time, velocity and density. Our professional instructors have assembled these lessons to help you with:

  • Finding answers for math problems with measures of time
  • Completing calculations with ratios and proportions
  • Defining equivalent ratios
  • Completing problems with rates
  • Solving for density
  • Finding measures of velocity

These lessons are also mobile-device compatible so that you may have a versatile way to study the material. Also, take the lesson quizzes to discover topics you don't understand and return to the lessons to reinforce your understanding of those subjects. At the end of the chapter, complete the practice chapter exam for an additional assessment of your skill and knowledge.

6 Lessons in Chapter 27: Time, Proportions, Ratios, Rates, Velocity & Density
Test your knowledge with a 30-question chapter practice test
How to Solve Problems with Time

1. 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.

Calculations with Ratios and Proportions

2. 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.

Equivalent Ratios: Definition & Examples

3. Equivalent Ratios: Definition & Examples

In this lesson, you'll learn what ratios are and discover their relationship with fractions. You'll also learn what makes ratios equivalent and look at some examples.

Solving Problems Using Rates

4. Solving Problems Using Rates

In this video lesson, learn how to set up rate problems so you can easily solve them. You will become familiar with the rate formula and you will see how easy it is to use.

Density: Definition, Formula & Practice Problems

5. Density: Definition, Formula & Practice Problems

In this lesson, you'll learn about density, the way in which density can be calculated from mass and volume, and that density of substances are constant. You'll get to calculate densities of various materials in different situations.

Velocity in Math: Definition, Equation & Problems

6. Velocity in Math: Definition, Equation & Problems

Velocity in math is similar to speed, with only one difference. Learn what that difference is, how to write velocity, and how to calculate velocity problems.

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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