Ch 5: CUNY Assessment Test in Math: Estimating & Rounding

About This Chapter

Use our video lessons and self-assessment quizzes to brush up on your college-level math skills. These lessons cover topics related to estimating and rounding which you could encounter on the CUNY Assessment Test in Math.

CUNY Assessment Test in Math: Estimating & Rounding - Chapter Summary

The lessons in this chapter are designed to help you develop an advanced understanding of rounding numbers and mathematical estimation. The videos include visual examples to help facilitate your learning experience. Review of these topics can enhance your ability to do the following and help you answer questions found on the CUNY Assessment Test in Math related to:

  • Applying methods to round to the nearest 1,000, 10,000 and 100,000
  • Solving subtraction problems with rounding
  • Understanding how to use estimation methods to solve math problems
  • Finding missing digits in decimals
  • Estimating sums and differences of decimals
  • Grasping methods for estimating mixed numbers

These video lessons are especially helpful if you are someone who benefits from studying math using visual aids. The self-assessment quizzes can be re-taken as often as needed to fully understand the material and their multiple-choice format is reflective of the actual CUNY Assessment Test in Math.

CUNY Assessment Test in Math: Estimating & Rounding- Chapter Objectives

This Estimating & Rounding chapter is meant to help you reinforce your understanding of pre-algebra concepts that you will be tested on in the CUNY Assessment Test in Math. The numerical skills/pre-algebra portion of the test will measure your proficiency in such areas as integers, fractions, estimation, order concepts, percentages and averages. A score of 45 or higher on this section of the test reflects competency in this area.

The City University of New York (CUNY) assessment tests are used for admissions and placement purposes. The tests are used to measure academic abilities in reading, writing and math and can be used in place of New York Regents exams or SAT results.

6 Lessons in Chapter 5: CUNY Assessment Test in 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.
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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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