# Ch 2: Rational Numbers

Use the following video lessons and quizzes to practice working with fractions. Learn to build, reduce, compare and order fractions. Additional topics include the use of estimation to solve fraction problems.

## Rational Numbers - Chapter Summary

A fraction indicates the difference between the individual parts and the whole. This chapter teaches you about the numerator and denominator that make up a fraction and how to build fractions based on given sets of data. Moving on through the lessons, you can practice reducing fractions to their simplest forms by using the greatest common factor and then work on finding common denominators to compare and order fractions.

This chapter also supplies information and practice for estimating fractions by rounding them to the nearest whole number. By the time you've completed these lessons, you should be able to:

• Understand what a fraction signifies and name the parts of a fraction
• Build and reduce fractions
• Choose the greatest common factor
• Understand improper fractions and mixed numbers
• Identify the methods for finding the common denominator
• Compare fractions using the numerator
• Estimate with fractions
• Add, subtract, multiply and divide fractions and mixed numbers

This chapter provides numerous examples and gives you many opportunities to practice solving various types of problems containing fractions. Watch the short videos presented by professional instructors as many times as you like. Take the quick, interactive quizzes at the end of each lesson for immediate feedback. If you need to revisit specific concepts, you can use the video tags for quick access to those targeted portions. You can also refer to the print transcripts of the lessons at any time.

13 Lessons in Chapter 2: Rational Numbers
Test your knowledge with a 30-question chapter practice test
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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