Step 1: Choose a4 paper or folio paper with better paper quality.

Step 2: Make a name column, class column, time column and score column for parents.

Step 3: Select several math problems in the second grade of primary school and write down 10-20 on a piece of paper.

Step 4: Write the question 10-20 on the paper reasonably, leaving enough space for writing the question, so as to complete the math punch table for the second grade of primary school.