# Ch 1: CAHSEE - Number Theory & Basic Arithmetic: Tutoring Solution

The Number Theory and Basic Arithmetic chapter of this CAHSEE Tutoring Solution is a flexible and affordable path to learning about number theory and basic arithmetic. These simple and fun video lessons are each about five minutes long and they teach all of the operations involving number theory and basic arithmetic covered on the CAHSEE exam.

## How it works:

• Begin your exam preparation work.
• Identify the number theory or basic arithmetic concepts that you're stuck on.
• Find fun videos on the topics you need to understand.
• Press play, watch and learn!
• Complete the quizzes to test your understanding.
• As needed, submit a question to one of our instructors for personalized support.

## Who's it for?

This chapter of our CAHSEE Tutoring Solution will benefit any student who is trying to learn about number theory and basic arithmetic and earn passing scores on the exam. This resource can help students including those who:

• Struggle with understanding rational and real numbers, greatest common factors, least common multiples or any other number theory or basic arithmetic topic
• Have limited time for studying
• Want a cost effective way to supplement their math learning
• Prefer learning about math visually
• Find themselves struggling to prepare for the CAHSEE math exam
• Want to get ahead in high school math

## Why it works:

• Engaging Tutors: We make learning about number theory and basic arithmetic simple and fun.
• Cost Efficient: For less than 20% of the cost of a private tutor, you'll have unlimited access 24/7.
• Consistent High Quality: Unlike a live math tutor, these video lessons are thoroughly reviewed.
• Convenient: Imagine a tutor as portable as your laptop, tablet or smartphone. Learn about number theory and basic arithmetic on the go!
• Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.

## Learning Objectives

• Identify the different types of numbers.
• Learn how to graph rational numbers.
• Become familiar with notation for rational numbers.
• Discuss the order of real numbers.
• Understand the absolute value of a real number.
• Define the number line.
• Take a look at binary and non-binary operations.
• Perform arithmetic calculations with signed numbers.
• Explain the commutative property, the associative property and the multiplication property of zero.
• Learn how to find the greatest common factor and the least common multiple.
• Describe the role of parentheses in math.
• Become familiar with algebra vocabulary terms.
• Understand the order of operations in math.

16 Lessons in Chapter 1: CAHSEE - Number Theory & Basic Arithmetic: Tutoring Solution
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.