The Systems and Matrices Unit has been updated with new features and a Google Forms and TPT Easel version of the unit test! If you have already purchased the product, please redownload for the updated version!21 Days of Systems and Matrices! This unit is easily adaptable to fit the needs of your students. Shorten the unit by eliminating lessons for your Pre-AP students or leave it as-is for your on-level students who need a review of some of the Algebra 1 Systems of Equations material. The Syste