Vanessa Li-Davis, Novelis Added Saturday, May 18, 2019 at 1:22 PM How can I improve my math grade? So I am in a seventh grade math and I have a C-. What can I do to improve my grade? Answers 1 Vanessa Li-Davis, Novelis Answered Tuesday, August 6, 2019 at 8:09 PM - Lots and lots of practice books. In addition from school's homework, you want to read and do practice exercise from library books. - Avoid using calculator, this way you will be able to practice solving problems on your own. The more you practice ...