Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST SI Units Card Deck



Dinelka Jagoda, Elizabeth Benham


Welcome to the SI Units Card Deck! This interactive educational activity offers a fun way for students to enhance their understanding of the International System of Units (SI), including the Defining Constants, Base Units, Derived Units with Special Names, and Prefixes. Play activities like those in this activity, are an easy way to motivate students to learn, build self-confidence and transfer SI measurement skills to other situations. Familiarity with the elements and structure the SI prepare students to successfully make measurements in science, technology, engineering, and mathematics (STEM) applications. With multiple game variations, games may be differentiated for multiple instructional and skill levels. The deck consists of 9 sets (142 cards), game instructions, game template, and supplemental resources.
Special Publication (NIST SP) - 1297
Report Number


International System of Units, Metric System, Defining Constant, Base, Unit, Derived, Prefix, Measurement, Team, Individual, Game, Play, Collaboration, Activity, Classroom, STEM, Education


Jagoda, D. and Benham, E. (2023), NIST SI Units Card Deck, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online],, (Accessed May 20, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created November 1, 2023