Ch 3: Numbers: NBPTS Math - Adolescence & Young Adult

About This Chapter

Our expert instructors put together this series of short lessons to prepare you for taking the National Board for Professional Teaching Standards (NBPTS) Math certification exam. The study aids in this chapter can help you review types of numbers and how to work with them.

Numbers: NBPTS Math - Adolescence & Young Adult - Chapter Summary

The lessons in this chapter are a refresher for the NBPTS Math test's questions about numbers, including fractions,percents and decimals. Once you have completed this chapter, your knowledge will be greater in areas such as:

  • Knowing about the different types of numbers
  • Seeing what fractions are
  • Working with mixed numbers
  • Understanding a decimal place value
  • Comparing fractions, decimals and whole numbers by using the number line
  • Finding out about the order of real numbers
  • Getting to know rounding to the nearest 1000, 10,000 and 100,000
  • Exploring uses for ratios, proportions and percents.

These lessons are short, and you can study on your home computer, laptop, smartphone or tablet. There is a quiz to take after each lesson to assess your understanding of the material. For needed restudy of a video lesson, you can review the accompanying transcript or apply the video timeline tool that makes it easy to replay any specific portion. There is also a feature for submitting a question to the instructor.

9 Lessons in Chapter 3: Numbers: NBPTS Math - Adolescence & Young Adult
Test your knowledge with a 30-question chapter practice test
What are the Different Types of Numbers?

1. What are the Different Types of Numbers?

Learn all of the different types of numbers: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. This video lesson teaches you how to classify any numbers you come across.

What is a Fraction? - Definition and Types

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.

What Are Mixed Numbers? - Definition & Examples

3. What Are Mixed Numbers? - Definition & Examples

This lesson will give the definition of mixed numbers and explain the purpose mixed numbers serve. It will also provide plenty of examples to ensure complete understanding of this concept.

What is a Decimal Place Value?

4. What is a Decimal Place Value?

In this video lesson, you will see how a decimal, a simple dot, can change the place value of all the digits in a number. You will also learn how to read decimals using place values.

Using the Number Line to Compare Decimals, Fractions, and Whole Numbers

5. Using the Number Line to Compare Decimals, Fractions, and Whole Numbers

Watch this video lesson to learn how useful the number line can be when you need to compare two different numbers, be they whole numbers, decimals or even fractions. Learn how to plot these numbers on the number line so you can compare them.

The Order of Real Numbers: Inequalities

6. The Order of Real Numbers: Inequalities

An inequality is an operation describing how one number can be compared to another. This lesson will describe and define inequalities and the symbols used to represent them. It will also give some examples on how to work with inequalities.

Rounding Numbers to the Nearest 1000, 10,000 & 100,000

7. Rounding Numbers to the Nearest 1000, 10,000 & 100,000

After watching this video lesson, you will be able to round larger numbers like a pro. Learn what the cutoff numbers are for rounding up and down to the nearest thousand, ten thousand and hundred thousand.

Ratios and Proportions: Definition and Examples

8. 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.

What is a Percent? - Definition & Examples

9. 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.

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

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the National Board Certification Exam - Mathematics/Adolescence & Young Adulthood: Practice & Study Guide course

Support