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Ch 3: Saxon Algebra 1/2: Decimal Numbers

About This Chapter

The Decimal Numbers chapter of this Saxon Algebra 1/2 Companion Course helps students learn the essential lessons associated with decimals. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Decimal Numbers textbook chapter.

How It Works:

  • Identify the lessons in the Saxon Decimal Numbers chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the decimal numbers topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • Placing and finding decimals
  • Comparing and rounding decimals
  • Examples of repeating decimals
  • Changing decimals to fractions and percentages
  • Adding and subtracting decimals
  • Multiplying and dividing decimals
  • Estimation with decimals
  • Using scientific notation

Saxon is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

13 Lessons in Chapter 3: Saxon Algebra 1/2: Decimal Numbers
Test your knowledge with a 30-question chapter practice test
What is a Decimal Place Value?

1. 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.

Placing & Finding Decimals on a Number Line

2. Placing & Finding Decimals on a Number Line

Decimals are what happens when you break a single piece into tenths, like changing a dollar for dimes or a dime for pennies. In this lesson, we'll explore how to find decimal numbers on the number line.

Comparing and Ordering Decimals

3. Comparing and Ordering Decimals

In this video lesson, you'll find out how you can look at any two decimals and immediately tell which is greater than the other. You'll also learn how to quickly sort decimals from least to greatest or vice versa.

Repeating Decimals: Definition & Examples

4. Repeating Decimals: Definition & Examples

Repeating decimals are a special type of number. In this lesson, we will explore the definition of this number and look at some of the properties it holds.

How to Round Decimals

5. How to Round Decimals

After watching this video lesson, you will be able to look at any decimal number and round it any which way you want. Learn the tipping point that determines whether to go up to the next number or not.

Changing Between Decimals and Fractions

6. 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.

Changing Between Decimals and Percents

7. 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.

Adding and Subtracting Decimals: Examples & Word Problems

8. Adding and Subtracting Decimals: Examples & Word Problems

In math, we sometimes have to deal with decimal numbers instead of our nice whole numbers. Watch this video lesson to learn the one thing that you have to take into consideration when adding and subtracting decimals.

Multiplying and Dividing Decimals: Examples & Word Problems

9. Multiplying and Dividing Decimals: Examples & Word Problems

Watch this video lesson to learn what you need to do to get a correct answer when multiplying and dividing decimals. Learn the easy tricks to figuring out where the decimal point goes.

How to Estimate with Decimals to Solve Math Problems

10. How to Estimate with Decimals to Solve Math Problems

Watch this video lesson to learn how you can estimate problems with decimals in them so you can get a quick answer when you need it - for example, when you are at the gas station and you need to know how much gas you can afford.

Scientific Notation: Definition and Examples

11. Scientific Notation: Definition and Examples

Scientific notation is a special way of writing numbers so they are easier to work with. This lesson will define scientific notations and show some examples of how to convert numbers from standard notation to scientific notation and back.

Comparing Numbers Written in Scientific Notation

12. Comparing Numbers Written in Scientific Notation

After watching this video lesson, you will be able to compare numbers written in scientific notation with each other. You will learn how to tell which is larger and which is smaller.

How to Multiply & Divide in Scientific Notation

13. How to Multiply & Divide in Scientific Notation

Scientists, engineers, and other people who work with really big or really small numbers often choose to express those numbers in scientific notation. In this lesson, we'll learn how to multiply and divide in scientific notation.

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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