These 30 major and minor key signatures Boom™ Cards will help your piano students review major and minor key signatures in a fun and interactive way! The task cards are perfect for your laptop, desktop, Chromebook, tablet, or any other mobile device that can access the internet. They can also be used with SmartBoard. They're self-grading and no-prep, and they allow you to track student progress. Perfect to use for piano lessons with at-home learning, music class distance learning, in class, as h