# Ch 13: TACHS: Irrational & Rational Numbers

Reinforce and expand your knowledge of rational and irrational numbers with this chapter of our TACHS test prep course. As you work your way through the videos, you can gain the skills you will need to approach the TACHS test with confidence.

## TACHS: Irrational & Rational Numbers - Chapter Summary

Before you take the TACHS test, let our instructors guide you through this chapter on how to write, work with, and graph rational and irrational numbers. The following information is presented in these short video lessons:

• Understanding rational and irrational numbers
• Graphing and notation of rational numbers
• Operations with rational numbers; finding absolute value

We coordinate our video lessons, full written transcripts and quizzes so that you can easily refer from one to another. Key terminology and vocabulary words are highlighted for quick reference, and you can test your knowledge with the quizzes you'll find at the end of each lesson. Track your progress, check your memory and polish your abilities using this multi-pronged approach so that you make the very most of your study time.

### TACHS: Irrational & Rational Numbers Objectives

In order for you to qualify for admission into many Catholic high schools, you must first take and pass the TACHS. The lessons in this chapter will help you prepare for the mathematics subtest, which accounts for 50% of the overall score.

The TACHS is composed of four subtests. These are reading, language arts, mathematics and general reasoning. It is a paper-based exam with 200 questions, all of which are multiple-choice. Of the list of possible responses shown below each question, you must choose the correct one.

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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