Pharmacy calculations have always been a critical skill, but many pharmacy educators recognize that today's learners face unique challenges when it comes to learning this important topic.
A recent commentary published in the American Journal of Pharmaceutical Education highlighted concerning trends in pharmaceutical calculations performance nationwide. The authors noted that the NAPLEX calculations domain accounted for 14% of the examination and that approximately 30% of graduates were performing below competency expectations in this area.
For pharmacy educators, students, technicians, and preceptors, these findings raise an important question:
How can learners build stronger calculation skills before those weaknesses affect exam performance or patient care?
Why Pharmacy Math Feels So Difficult
Many pharmacy students enter training with strong science backgrounds but may have limited recent exposure to applied mathematics.
According to the AJPE commentary, contributing factors may include:
- Declining mathematics performance at earlier educational levels
- Difficulties with word problems and reading comprehension
- Long gaps between formal math coursework and pharmacy school
- Math anxiety
- Differences in prior educational experiences
This is often why students struggle with topics such as:
- Dosage calculations
- Unit conversions
- IV flow rates
- Dilutions
- Alligation
- Weight-based dosing
The challenge is rarely a lack of intelligence but rather that students haven't had enough structured practice applying these concepts in realistic scenarios.
Practice Matters More Than Memorization
One of the key observations many pharmacy educators share is that calculation proficiency develops through repetition.
Students who regularly work through problems begin to recognize patterns, avoid common mistakes, and develop confidence in their approach.
That confidence becomes increasingly important as learners prepare for:
- Pharmacy school coursework
- Clinical rotations
- NAPLEX preparation
- Real-world patient care situations
As the AJPE authors emphasize, calculation competency is ultimately a patient safety issue, not simply an academic requirement.
Arial Williams, BS, CPhT
At RelayEd, we're proud to feature healthcare educators who create practical resources to help learners overcome challenges like these.
Arial Williams, BS, CPhT, is a pharmacy technician, educator, and founder of A Gtt of Pretty. For nearly five years, Arial has developed engaging pharmacy-focused educational resources designed to support educators, technicians, and students. Her work focuses on making complex topics more approachable through structured learning materials and practical exercises.
Resource Highlight: Medical Math Workbook Vol. 1
One of Arial's featured resources is the Medical Math Workbook Vol. 1 , a printable workbook designed to reinforce foundational pharmacy calculation skills through guided practice.
The workbook includes:
- Unit conversions
- Temperature conversions
- Dosage calculations
- Dilutions
- IV flow rate problems
- Alligation exercises
- Answer keys
- Dedicated note-taking space
With more than 50 practice problems, the workbook provides learners with opportunities to strengthen the exact skills that pharmacy educators continue to identify as areas of concern.
