Medication Math

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4 Lessons


This course will develop the practitioner's skill in solving medication dosage problems.


A basic understanding and application of pre-algebra should already exist. This includes:

  • Understanding the language of Algebra.
  • Solving addition, subtraction, division, and multiplication of whole numbers.
  • Solving operations with fractions.

If you do not meet these prerequisites please review chapters 1 - 4 of Prealgebra.

Learning Outcomes

  • Discuss the importance of accurate dosing.
  • Solve equations with decimals including addition, subtraction, multiplication and division operations.
  • Solve equations with the requirement of rounding decimals.
  • Convert units from one unit of measurement to another.
  • Examine prescriptions for required information to solve dosage calculations.
  • Solve doses to provide based on prescriptions.
  • Examine prescriptions for required information to solve infusion rates.
  • Solve infusion rates based on prescriptions.


  1. What Happens When the Math is Wrong?
  2. Converting Units
  3. Calculating Doses
  4. Drip Rates

Delivery Method

This course is delivered online through independent study and forum participation. Student support will be provided online through a help forum by peers and instructors.

Materials Needed

All materials are provided online and free of charge. It is recommended to have a pencil, eraser, notepad, and calculator.

Delivery is done through a combination of text, images, and videos. The videos are supplementary to the text. A consistent internet connection is recommended, especially if you wish to watch the videos.

This course will take approximately 3 hours to complete.


Creative Commons License Featured image "Maths" by backonthebus is licensed under a Creative Commons Attribution-NonCommercial 2.0 Generic License.

Creative Commons License The text in this work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. If you would like  to use this material, please provide attribution as follows: Richmond, J. (2016). Continuing Education Centre for Emergency Services.