# Ch 2: Number Operations & Arithmetic

This fun chapter offers an in-depth examination of number operations and arithmetic that can enhance your preparations for a future test. Review engaging lessons to improve your understanding of this subject, and take short quizzes to assess your readiness to take the test.

## Number Operations & Arithmetic - Chapter Summary

Our instructors have developed entertaining lessons you can use to gain full comprehension of number operation and arithmetic concepts. Whether you are being introduced to this subject or want to refresh your existing understanding, this short chapter can help. Review bite-sized lessons about ratios, proportions, square roots and more. In no time, you will be able to:

• Add, subtract, multiply and divide signed and rational numbers
• Define ratios, rates and proportions in math
• Perform fraction operations and operations with decimals
• Calculate and convert percentages, fractions and decimals
• Share examples of a square number in math
• Recognize square root notation and understand the properties of square roots
• Solve problems involving exponents and scientific notation

To get started, select the first lesson you'd like to view in this chapter. Review its contents and take the accompanying quiz to assess your comprehension. When you're ready to move to the next lesson, simply scroll along the right-hand sidebar to choose others in any sequence you decide. If you develop questions about specific lesson topics, don't hesitate to send them to our experts via the Dashboard. Our practice exam can gauge your overall understanding of number operations and arithmetic.

12 Lessons in Chapter 2: Number Operations & Arithmetic
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

### Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.