Ch 9: SHSAT Math: Estimation & Rounding

About This Chapter

These lessons can refresh your skills in rounding numbers and estimating differences and sums. Use the resources in this chapter as part of your preparations for the math section of the SHSAT.

SHSAT Math: Estimation & Rounding - Chapter Summary

This series of short videos can help you prepare for questions on the Specialized High School Admissions Test (SHSAT) that ask you to round or estimate solutions. Watch our expert instructors in these lessons as they demonstrate how to:

  • Round to the nearest 1,000, 10,000 and 100,000
  • Estimate differences and sums
  • Round decimals
  • Round mixed numbers

For a written review of the lessons, read the text transcripts that will highlight key vocabulary of this chapter. Once you've completed a lesson, take the quiz that accompanies it to see how well you understood it. Use the results from these assessments to identify the topics you don't know, and then use the video tags to return to the lessons and study them.

SHSAT Math: Estimation & Rounding Chapter Objectives

Specialized high schools in New York City use SHSAT scores when determining if they will admit you into their institution or not. This test is composed of a verbal section and a math section. Both of these sections ask you a series of multiple-choice questions. The math section may include questions that require you to round and estimate answers. Use this chapter to improve your rounding and estimating skills.

6 Lessons in Chapter 9: SHSAT Math: Estimation & 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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