Are you searching for 3rd grade morning work or review for upcoming tests that encourage your students to keep a positive mindset? These 5-growth mindset mystery message activities will keep students working the whole time to solve the secret message. Great print and go resource to use with your 3rd grade students at the end of a unit as a review for an upcoming test. Could also be a center activity, homework or morning work. 4th grade teachers can kick off the back to school season or the start