Use our printable order-of-matrix worksheets to learn how to find the order of a matrix. This is the first step before multiplying matrices. If there are m rows or n columns in a matrix, the order is mxn. Matrixes are called special names according to their order. The matrix is called square matrix if m = 1. If m is 1, it will be row matrix. If n is 1, it will become column matrix. You can use this to solve a series pdf high school exercises about matrix order. You can access our worksheets on order of matrices in a matter of seconds!