This is a fun diversion about encoding and decoding messages using a coding matrix. Students need to find the inverse matrix as a first step to decoding the messages. There are 12 coded message cards in the exercise that can be used as an independent practice or as a group activity. An extension assignment is also included.
The activity will help your Algebra 2 Honors or Pre-Calculus students understand the concepts of inverse operations on matrices in a fun and engaging setting. A student recording sheet and answer key are also provided.
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©2016 Jean Adams (Flamingo Math™). Please note - this resource is for use by one teacher only. Additional license must be purchased for colleagues. You may not upload this resource to the Internet in any form. If you are a math coach, administrator, or district interested in purchasing several licenses, please contact me for a district-wide quote. firstname.lastname@example.org