Use this problem solving rubric to easily assess students' understanding of math skills, as well as to assess their ability to explain their thinking. Assesses students in the area of Understanding, Solution, Models, Explanation, & Neatness. Rubric uses a point scale to 100, so grades can be taken off of this assessment, if needed. I teach 2nd grade, but this is a general rubric, that can fit any math standard or grade!