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Ch 15: NMTA Middle Grades Math: Operations with Decimals

About This Chapter

The NES Middle Grades Mathematics test has replaced the NMTA Middle Grades Mathematics test in New Mexico. Check out comprehensive video lessons on operations with decimals and take self-assessment quizzes to help you prepare for the NES Middle Grades Mathematics test.

NMTA Middle Grades Math: Operations with Decimals - Chapter Summary

Get reacquainted with operations with decimals by watching the video lessons in this chapter as you get ready to take the NES Middle Grades Mathematics test. The lessons offer detailed instruction to help you brush up on this topic so you'll be able to answer questions on your exam related to the following:

  • Understanding inequalities with decimals
  • Converting decimals to mixed numbers
  • Adding and subtracting decimals
  • Multiplying and dividing decimals
  • Estimating with decimals to solve math problems
  • Solving problems using decimal numbers
  • Simplifying expressions involving decimals

The engaging instruction offered in these video lessons helps you learn the materials in a fun and relaxed manner. The videos also offer transcripts to help you review the materials so you're sure you fully comprehend this topic as you prepare to take your assessment.

Objectives of the NMTA Middle Grades Math: Operations with Decimals Chapter

The NES Middle Grades Mathematics test is designed to assess your math skillset as you prepare to teach this subject area in the classroom. It also ensures you're qualified to secure teaching licensure in New Mexico. The topics covered in this NMTA Middle Grades Math: Operations with Decimals chapter are located in the number sense and operations portion of the exam, which constitutes about 17% of the total test. You can watch the video lessons to refresh your knowledge of operations with decimals then take self-assessment quizzes that ensure you understand the materials while allowing you to practice answering the types of questions you'll see on test day.

The NES Middle Grades Mathematics test is comprised completely of multiple-choice questions, most of which take the form of short paragraphs, questions or sentences; some may also be accompanied by illustrations, graphs or diagrams. Following each question is a set of four answers. You will be required to choose one of the four as the best option for the question posed.

12 Lessons in Chapter 15: NMTA Middle Grades Math: Operations with Decimals
Test your knowledge with a 30-question chapter practice test
Inequalities with Decimals

1. Inequalities with Decimals

In this video lesson, we talk about solving inequalities with decimals. You will learn in what order to take your steps to solve these types of problems.

Converting Decimals to Mixed Numbers

2. Converting Decimals to Mixed Numbers

After watching this video lesson, you should be able to convert easily between decimals and mixed numbers. Learn what kinds of decimals you can and cannot convert to a mixed number.

Adding and Subtracting Decimals: Examples & Word Problems

3. 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

4. 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

5. 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.

Estimating Sums, Differences & Products of Decimals

6. Estimating Sums, Differences & Products of Decimals

After watching this video lesson, you will be able to estimate any decimal number to help you simplify your math problems. See how easy it is to estimate your answer when you are trying to find the sum, difference, or product.

Solving Problems Using Decimal Numbers

7. 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.

Estimation: One & Two Operation Problems with Positive Decimals

8. Estimation: One & Two Operation Problems with Positive Decimals

After watching this video lesson, you will learn how using estimation can help you simplify your problem so that you can solve it much easier. Learn how estimation can help even when you need to solve for a missing variable.

Guess and Check: One & Two Operation Problems with Positive Decimals

9. Guess and Check: One & Two Operation Problems with Positive Decimals

In this video lesson, you will learn how to use your guessing skills in finding the correct answer to a decimal problem. Learn how you can refine your guess to make an even better guess and get closer to finding your answer.

Look for a Pattern: One & Two Operation Problems with Positive Decimals

10. Look for a Pattern: One & Two Operation Problems with Positive Decimals

In this video lesson, you will learn how finding a pattern can help you solve one- and two-operation problems involving decimal numbers. Learn what it takes to find a pattern and then to use the pattern to find the answer.

Solving Multi-Step Inequalities with Decimals

11. Solving Multi-Step Inequalities with Decimals

In this video lesson, you will learn the steps that are involved in solving inequalities for an unknown variable. We'll see that the order of operations stays the same, but there's a very significant difference when it comes to negative numbers!

How to Simplify Expressions Involving Decimals

12. How to Simplify Expressions Involving Decimals

After watching this video lesson, you should be able to take any expression involving decimals and simplify it. You'll learn what to look for and what things you can combine.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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Other Chapters

Other chapters within the NMTA Middle Grades Mathematics (203): Practice & Study Guide course

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