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Medical Math

You will master medical calculations in and engaging environment in these fun and practical lessons. You will gain the medical math skills you need for anything from calculation dosages to using scientific formulas.  Whatever medical field you are in, the hands-on activities in this course will help you perform day-to-day math tasks quickly and easily.

You will brush up your basic math skills by reviewing fractions, decimals, and percentages. Then you will dive into measurement systems and conversions used in the medical field. You will do dosage calculations for oral, parenteral, and intravenous medications. You will explore three different methods you can use for dosage calculations. You will also learn an easy formula that you can apply to many dosage calculations.  Then you will get an introduction to basic statistics and probability. You will find out how to interpret the latest medical findings for your patients. Whether you are new to the field of medicine or want to enhance your skills, this is the course for you. By the time you finish these lessons, you will have a solid grounding in basic medical math.

6 Weeks / 24 Course Hrs
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Starting April 17 | May 15

No instructor. Study on your own schedule

Medical Math


Details + Objectives

Course Code: mdm

What You Will Learn
  • Brush up on math skills by reviewing fractions, decimals, and percentages
  • Learn to make conversions within and between the metric system and the U.S. customary system of measurement, and learn how medical professionals use these every day
  • Learn to interpret ratios, determine rates, and set up and solve proportions necessary for determining medication dosage
  • Learn to calculate dosages based on body weight and body surface area
  • Learn to calculate the flow rates for two kinds of infusions and decide how long it will take for a solution to infuse
  • Discover basic statistics and data that you can apply in the medical field and understand how this is used to make decisions, improve quality, and develop best practices in medicine
How the course is taught
  • Instructor led or self paced online course
  • 6 -12 weeks to complete
  • 24 course hours
How you will benefit
  • Gain medical math skills through hands-on activities
  • Learn to perform day-to-day math tasks quickly and easily
  • Have a solid grounding in basic medical math and be ready to tackle any calculation confidently


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Lesson 1 & 2

In the first lessons, you will review fractions, percents, decimals, exponents and more because these math topics are what medical professionals commonly need to use. Then you will review the metric system and the U.S. customary system of measurement. You will learn to make conversions within and between these two systems, and how medical professionals use these measurements every day.

Lesson 3 & 4

In these lessons, you will explore some of the jargon and abbreviations medical orders use. You will interpret ratios, determine rates, and set up and solve proportions---all of which will help you as you determine medication dosages and make other medical calculations. Then you will cover the basics of dimensional analysis and use it to solve problems that are more complex. You will focus on several key formulas that medical professionals use. You will learn different ways to solve the same problem, so you can choose the method that is easiest and fastest for you.

Lesson 5 & 6

In this lesson, you will learn to apply what you have learned in previous lessons as you master new skills. You will calculate doses of oral medications in solid and liquid form. You will also learn to dose oral medications based on body weight and body surface area. Then you will learn about solution strengths as ratios and percentages, and you will practice the calculations necessary to prepare solutions.

Lesson 7 & 8

In this lesson, you will learn to formulate doses of parenteral medications. You will do calculations for liquid parenteral medications measured in milliliters and in units. Then you will learn the basics of intravenous and enteral solutions and infusions. You will learn to calculate the flow rates for both kinds of infusions. You will also figure out how long it will take a solution to infuse.

Lesson 9 & 10

In this lesson, you will discover how medical professionals give medications intravenously, and you will practice calculation flow rates in different circumstances. Then you will learn about special dosing concerns for your younger and older patients. You will calculate doses for pediatric and geriatric patients using body weight and body surface area. You will also explore age-specific issues, like daily fluid maintenance and dosing of patients with reduced kidney function.

Lesson 11 & 12

In this final lesson, you will learn basic statistics that you can apply in the medical field. You will see how to use statistics to summarize a data set. You will understand how people use data and statistics to make decisions, improve quality, and develop best practices in medicine. Then you will work with examples from the medical field as you calculate and interpret probabilities. Finally, you will explore ways to collect data and learn to understand and evaluate research results.

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Instructors & Support

Ben Sellers

Ben Sellers has more than 17 years of teaching experience both online and in the traditional classroom. He has taught college students, working professionals, adult learners, and K-12 students. He has also taught a wide variety of students in the medical field, including lab technicians, nurses, pharmacists, and aspiring physicians. Sellers holds undergraduate and graduate degrees in the mathematical sciences and has worked as a mathematical and statistical consultant.




There are no prerequisites to take this course.


Hardware Requirements: 

  • This course can be taken on either a PC or Mac device.

Software Requirements: 

  • PC: Windows XP or later.
  • Mac: OS X Snow Leopard 10.6 or later.
  • Browser: The latest version of Google Chrome or Mozilla Firefox are preferred. Microsoft Edge and Safari are also compatible.
  • Adobe Flash Player. Click here to download the Flash Player.
  • Adobe Acrobat Reader. Click here to download the Acrobat Reader.
  • Software must be installed and fully operational before the course begins.


  • Email capabilities and access to a personal email account.
Instructional Materials

The instructional materials required for this course are included in enrollment and will be available online.


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When can I get started?

Instructor-Led: A new session of each course begins each month. Please refer to the session start dates for scheduling. 

Self-Paced: You can start this course at any time your schedule permits.

How does it work?

Instructor-Led: Once a session starts, two lessons will be released each week, for the 6 week duration of your course. You will have access to all previously released lessons until the course ends.

Self-Paced: You have three-month access to the course. After enrolling, you can learn and complete the course at your own pace, within the allotted access period.


How long do I have to complete each lesson?

Instructor-Led: The interactive discussion area for each lesson automatically closes 2 weeks after each lesson is released, so you’re encouraged to complete each lesson within two weeks of its release.

Self-Paced: There is no time limit to complete each lesson, other than completing all lessons before your three-month access.

What if I need an extension?

Instructor-Led: The Final Exam will be released on the same day as the last lesson. Once the Final Exam has been released, you will have 2 weeks plus 10 days to complete the Final and finish any remaining lessons in your course. No further extensions can be provided beyond these 10 days.

Self-Paced: Because this course is self-paced, no extensions will be granted after the start of your enrollment.

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