# Ch 5: Accuplacer Arithmetic Test: Decimals

### About This Chapter

## Accuplacer Arithmetic Test: Decimals - Chapter Summary

This series of entertaining videos (most of them less than ten minutes in length) illustrates the decimal topics you need to review for your Accuplacer Arithmetic placement exam. Refresh your ability to perform arithmetic operations with decimals as you navigate this chapter. You'll cover:

- Decimal place values and zeroes
- How to order and round decimals
- Addition and subtraction of decimals
- Decimal multiplication and division
- Decimals in mathematical problems
- Working with equivalent decimals
- Ordering decimals and relating fractions
- Using decimals to make estimates

You'll get to practice using these concepts as you work through the short multiple-choice quiz after each lesson. Skim over the video transcripts to track down important ideas for additional review.

### Objectives of the Accuplacer Arithmetic Test: Decimals Chapter

This chapter is a great toolbox for students needing to review decimal concepts in preparation for their Accuplacer Arithmetic assessments. Videos illustrate how to implement decimal rules and methods, and short quizzes let you practice the techniques while also introducing you to the Accuplacer multiple-choice format. There will be seventeen questions on your assessment, which you will complete at a computer. Your school will use your results to decide which math courses you need to take.

### 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.

### 2. How Zeros Are Used in Decimals

Zero is a very small but also very important digit. Watch this lesson and learn how it is used in decimal numbers to keep place and for accuracy purposes.

### 3. Arithmetic with Decimal Numbers

Watch this video lesson and see how our little professor goes about adding, subtracting, multiplying, and dividing decimal numbers all without the use of a calculator!

### 4. 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.

### 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.

### 6. What Are Equivalent Decimals? - Definition & Examples

Equivalent decimals may look different, but in reality they are just a fancy way of naming the same amount! In this lesson, you will explore equivalent decimals and learn easy tricks to help you master the tools needed to identify and write these equal forms.

### 7. 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.

### 8. Multiplying Decimals: Rules, Steps & Examples

Do you know how to multiply numbers with more than one digit but when it's a decimal you forget what to do with the decimal point? This lesson teaches you the steps for multiplying decimals. Then see those steps in action through the use of examples.

### 9. Dividing Decimals: Steps, Rules & Examples

In this lesson, you'll review some division terminology. Then, you'll learn the steps for decimal division and see them carried out in a few examples. Afterward, you can test your knowledge with a brief quiz.

### 10. Solving Problems Using Decimal Numbers

Problems involving decimal numbers might sound like a way to torture you, but learning how important these types of problems are in the real world is important. In this lesson, you will see a couple areas in life where you routinely encounter decimal number problems.

### 11. Relating Fractions and Decimals

Watch this video lesson to learn how to use both fractions and decimals to help you solve problems. Learn how to change between the two to use the best one for your problem.

### 12. 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.

### 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 Accuplacer Arithmetic Test: Practice & Study Guide course

- About the Accuplacer Arithmetic Test
- Accuplacer Arithmetic Test: Addition, Subtraction, Multiplication & Division of Whole Numbers
- Integers
- Accuplacer Arithmetic Test: Fractions
- Accuplacer Arithmetic Test: Percents
- Arithmetic in Everyday Life
- Equalities & Inequalities
- Accuplacer Arithmetic Flashcards