# Ch 1: ELM Test - Numbers and Data: Basic Arithmetic Calculations

Review basic arithmetic calculations in preparation for the ELM, CSU's math placement exam. Video lessons and quizzes cover the types of numbers, order of operations, and factoring.

## ELM Basic Arithmetic Calculations - Chapter Summary

Start off your review of ELM math by learning the basics of numbers and factoring. Lessons cover:

• Types of numbers
• Whole number arithmetic
• Signed number arithmetic
• Order of operations
• Prime factorization
• Greatest Common Factors
• Least Common Multiples

Each lesson includes practice problems that you can complete to ensure that you've mastered the material. These concepts contain the building blocks for all of the other math concepts that you need to master in order to pass the ELM.

### ELM Objectives

The ELM is a math proficiency exam required for all incoming students to schools in the California State University system. You can learn more about the topics on the ELM here.

The lessons in this chapter are part of the Numbers and Data topic on the ELM, which comprises about 35% of the total test. The Numbers and Data topic includes a variety of basic arithmetic objectives. The lessons in this chapter most closely correspond with the objective to 'carry out basic arithmetic calculations'.

The other objectives in the Numbers and Data topic are also taught in this course. These objectives include:

• Making estimations
• Finding mean and median
• Using ratios and proportions
• Working with fractions, decimals and percents
• Representing data in tables and graphs

Mastering all of the Numbers and Data objectives will give you a strong foundation for learning the algebra and geometry topics tested on the ELM.

7 Lessons in Chapter 1: ELM Test - Numbers and Data: Basic Arithmetic Calculations
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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