Encourage a growth mindset with this error analysis bulletin board decoration set perfect for any math classroom! It has all the letters you need and over 100 problems to choose from, all solved with a mistake for students to find! Here is what is included:Letters to spell out “Mistakes are proof that you are trying” and “Can you spot the mistakes?” 121 math problems solved with errors. The math problems relate to Kindergarten, 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th grade math, Algebra 1 and