About This Chapter
Fractions, Decimals & Percentages - Chapter Summary
In this chapter, our instructors provide you with a review of decimals, fractions and percents, including how to work with them and calculate them using examples. You'll see how to compare and order these three number forms. In addition, you'll look at how to change between decimals and fractions, fractions and percents, and decimals and percents.
Other lessons within the chapter explain how to solve word problems that involve percents and calculate percentage increases and decreases. After you have reviewed these lessons, you should be able to:
- Use decimals to describe what is going on in the world around you
- Identify and understand different types of fractions
- Explain how percentages are used in real life
- Compare, order and convert decimals, fractions and percents quickly
- Solve problems involving percents
- Calculate percentage increases and decreases
Our mobile-friendly lessons and quizzes are accessible to you 24 hours a day, seven days a week. Or use the printable lesson transcripts to make study copies to reference offline at any time. Take the lesson quizzes and chapter tests to see how well you understand the topic or where you need additional review. Our instructors are available for additional questions as they arise.
1. Working with Decimals
After watching this video lesson, you will become well acquainted with decimals and how to work with them. Learn how you can use them to help you describe what is going on around you.
2. What is a Fraction? - Definition and Types
Fractions may be your friend's worst nightmare, but they don't have to be yours. Watch this video lesson to learn about fractions and how you can understand them easily. Also, learn to identify the different types of fractions.
3. What is a Percent? - Definition & Examples
Thinking in terms of pizza is an excellent way to think about percentages. Learn how it can help you understand percentages in this video lesson. You will also learn about the uses of percentages in the real world.
4. Comparing & Ordering Fractions, Decimals & Percents
In this lesson, you'll learn how to compare and order fractions, decimals, and percents. This includes converting between the three forms of numbers. You'll also have a chance to practice with a sample problem.
5. Changing Between Decimals and Fractions
In this video lesson, you will learn about the usefulness of knowing how to change quickly between decimals and fractions. You will also learn how changing from a decimal to a fraction is different than changing from a fraction to a decimal.
6. Changing Between Decimals and Percents
Watch as we go on a rollercoaster ride in changing from a decimal to percent and then back again. Learn to master this technique so you can get as fast as a rollercoaster going downhill on tests and quizzes when you have to convert between the two.
7. Converting Fractions to Percents
There are times when it is important to know how to convert a fraction to a percent. Fortunately, the steps to perform this conversion are not difficult. This lesson will show you those steps and give some examples.
8. Converting Percent Notation to Fraction Notation
The process of converting percents to fractions is quite easy if you know where to start. This lesson will show you how to perform the conversion and give some real-world examples.
9. Solve Problems Using Percents
Percents are your friend. Think of all the cool things percents do for you. They save you money, and they tell you how well you are doing in school. Learn how you can solve problems with percents in this video lesson.
10. How to Solve Word Problems That Use Percents
100 percent of percent problems can be solved if we follow the correct steps. In this lesson, we'll practice solving a variety of different percent problems.
11. Percentage Increase and Decrease: Calculation and Examples
After watching this video lesson, you will be able to calculate the percentage increase and decrease of changes that happen over time. You will also learn what you need in order to make your calculations.
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Other chapters within the QTS Professional Skills Test - Numeracy: Practice & Test Prep course