Choose the categories to include in the rubric. Include four possible point gradations under each category, or three or five if you prefer. Categories can include things such as Mathematical Concepts, Use of Manipulatives, Mathematical Terminology, Neatness and Organization, and Diagrams and Graphs.
Create a simple grid on the computer of five rows of categories across the top and four columns of levels coming down for a total of 20 squares. Vary this if you prefer to have three or five levels for each category or if you want to have more than six categories. With the paper arranged in "landscape" mode, type the titles for each category across the top with the levels beneath each one.
Include language in each square of the grid indicating what will garner the student a score at each particular level. For example, in the category Mathematical Concepts, the four squares beneath, in descending order from highest to least point value could say: "Explanation shows complete understanding of the mathematical concept used to solve the problem"; "Explanation shows satisfactory understanding of the mathematical concept used to solve the problem"; "Explanation shows some understanding of the mathematical concept used to solve the problem"; and "Explanation shows minimal understanding of the mathematical concept used to solve the problem."
Include similar language underneath each remaining category for each possible point level. Include a place for the student's name and a place to put the total score as well as a few lines for comments.