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Ch 4: AEPA Middle Grades Math: Estimating & Rounding

About This Chapter

Arizona now uses the National Evaluation Series (NES) Middle Grades Mathematics test for middle grades math certification in place of the AEPA exam. Watch our short video lessons to review estimating and rounding operations as you prepare for this NES test.

AEPA Middle Grades Math: Estimating & Rounding - Chapter Summary

Use this chapter to review the concepts of estimating and rounding while preparing for the NES Middle Grades Mathematics exam. These lessons will confirm your knowledge of:

  • Rounding to a place
  • Estimating differences by rounding
  • Front-end estimation
  • Rounding and estimating decimals
  • Rounding mixed numbers

The video lessons in this chapter help you cover the material quickly, and you can use the video tags to review a single topic. The transcript is right there on the page for quick reference, and our subject experts are always happy to answer your questions. Use the convenient self-assessment quizzes throughout the chapter to ensure you are on track as you prepare for the NES Middle Grades Mathematics exam.

6 Lessons in Chapter 4: AEPA Middle Grades Math: Estimating & Rounding
Test your knowledge with a 30-question chapter practice test
Rounding Numbers to the Nearest 1000, 10,000 & 100,000

1. 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.

Estimating a Difference by Rounding

2. Estimating a Difference by Rounding

After studying this lesson, you will understand rounding basics. You'll also learn how to quickly solve subtraction problems by using your rounding skills.

How to Use Front-End Estimation

3. How to Use Front-End Estimation

In this video lesson, you will learn how to estimate addition and subtraction problems by using the method of front end estimation. Learn what is involved and what you need to be careful of.

Rounding Decimals & Finding the Missing Digit

4. Rounding Decimals & Finding the Missing Digit

After watching this video lesson, you will learn how to round decimals and how to use your knowledge of rounding to help you find a missing digit. Learn what the difference is between rounding decimals and rounding regular numbers.

Estimating the Sum & Difference Between Two Decimals

5. Estimating the Sum & Difference Between Two Decimals

In this video lesson, you will learn how to take an addition or subtraction problem with decimals and estimate the answer by rounding. You will learn that a rounded answer is very close to the actual answer.

How to Round Mixed Numbers

6. How to Round Mixed Numbers

After watching this video lesson, you should be able to round mixed numbers easily and quickly. You will learn about what number to look at to determine whether you should round up or round down.

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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Other Chapters

Other chapters within the AEPA Middle Grades Mathematics (NT203): Practice & Study Guide course

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