Ratios, Proportion, Exponents & Scientific Notation - Videos & Lessons

About This Chapter

Use this chapter and its educational text and video lessons to get information about ratios, proportion, exponents and scientific notation. Supplement your existing knowledge by studying the lessons and completing the quizzes that are included.

Ratios, Proportion, Exponents and Scientific Notation - Chapter Summary

The text and video lessons in this chapter will explain the fundamentals of ratios, proportion, exponents and scientific notation. Learn the characteristics of rational numbers, discover how numbers are written utilizing scientific notation, and explore applications for ratios and proportions in the real world. Several examples are included in order to help you perfect your problem-solving techniques. Study the lessons so that you may:

Identify rational numbers and write them as fractions
Understand the relationship between proportions and ratios
Change percents to decimals and fractions
Interpret and write exponents
Change numbers to scientific notation

For your benefit, the lessons are short and provide the above information so that it's easily absorbed. Learn visually by watching the video lessons, which last about ten minutes. With one click you can play and pause the videos. Jump from one main topic to the next when you use the video tags. This flexibility will allow you to skim over familiar subjects or further explore concepts that you need to study more intensively. You can read over the text lessons, which also contain quizzes and links to similar topics.

5 Lessons in Chapter 40: Ratios, Proportion, Exponents & Scientific Notation

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1. What are Rational Numbers? - Definition & Examples

In this lesson, we will learn about rational numbers and their characteristics. We'll discover what they are, what they aren't and how to distinguish them from other types of numbers.

2. Ratios and Proportions: Definition and Examples

Watch this video lesson to learn how ratios and proportions are related. Also, learn how ratios and proportions are used in real life and how you can apply them to yours.

3. Percents: Definition, Application & Examples

Maybe you know that 95% is an A and 75% is a C. But what do those percents really mean? In this lesson, we'll learn about percents, including how to convert them to fractions and decimals.

4. What Are Exponents? - Definition, Properties & Rules

Exponents are the mathematical shorthand that tells us to multiply the same number by itself for a specified number of times. This lesson will not only explain how the exponent works but also discuss the seven distinct properties, or rules, that govern its use.

5. Converting Numbers to Scientific Notation

After watching this video lesson, you will be able to convert any number you come across into scientific notation. You will also learn why scientific notation is used and where you are most likely to see it.

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Visit the Ohio Assessments for Educators - Elementary Education (018/019): Practice & Study Guide page to learn more.

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