# Ch 3: ELM Test - Numbers and Data: Decimals and Percents

Review the basic skills for using decimals and percents with this chapter's lessons. You can prepare for your Entry-Level Mathematics Test with the short, user-friendly video lessons and self-assessment quizzes.

## ELM Numbers and Data: Decimals and Percents - Chapter Summary

Get organized for your ELM math placement exam with our user-friendly video lessons addressing the essential elements of decimals and percents. Take the quiz at the end of each lesson to reflect on your comprehension of the following topics:

• Understand decimal place value
• Order decimal numbers and solve problems with decimal numbers and fractions
• Understand percents
• Change between decimals and percents and solve problems using percents
• Change between fractions and decimals

This chapter will help you review the relationships between decimals, percents and fractions. You can also practice solving problems using decimals, fractions and percents in context to get ready for similar questions on the ELM.

### ELM Numbers and Data Objectives

If you plan to attend a school in the California State University system, you'll be required to take the ELM placement test. The following topics are pertinent to 35% of the 50-question, 90-minute exam and deal with understanding and applying numbers and data:

• Solve problems using basic arithmetic, decimals, percents and fractions
• Interpret and use proportion and ratio
• Estimate and evaluate square roots
• Understand print and electronic data presented in tables, charts, graphs and histograms
• Calculate and interpret arithmetic mean
• Calculate and interpret median
• Use data in making estimations and predictions

Allow these lessons concerning decimals and percentages to assist your review for the ELM exam.

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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