This is a collection of math sorting cards for first and second grade students. Pages can be printed for individual students to cut and sort, or can be laminated and added to a math center for fluency practice. Sorting topics include subatizing, number words, odd/even, greater than/less than, mathematical symbols, part-part-total, equations, place value, fractions, 2D shapes, attributes, symmetry, and congruence. There are 27 sets of cards, 20-27 cards per set.