Practice number matching, addition, subtraction, multiplication or division with these fun color by math fact surprise pictures! Part of the picture is hidden when folded which creates a fun surprise when opened! This activity is perfect for math centers, morning work, early finishers, substitutes or homework. There are three pictures included and each picture has 39 worksheets for the following skills: matching numbers to 20, number words, addition to 20, subtraction within 20, doubles addition