listen to the teacher, study at least 10 to 20 min the day before a quiz or test then u will be fine ;]
getting good grades
Iknow 1 thing. you cant worry about bullies from higher grades picking on you.
study for the next test and get an A+ on it which will raise your grade
You can take a cerent test or get good grades
Of course A plus is a good grade its probably one of the best grades you can get!
Yes,5th graders can get good grades. All you have to do is work hard and study. Plus, if you remember stuff for tests, hopefully you'll get a good grade. 
By comparing it with known examples of the grades.
Of course you need to have good grades... as much as possible don't have grades below 85% . That's the standard grade you need to have to be able to get into the military. :)
NO. if you have good grades along with it
becaz they study a lot and get good grades
Graduate from high school with good grades, get very good grades in college so that you can get into a good Dental School.
A pass is any grade they give you , but only grades above C are considered to be good grades, so D is seen as a not very good grade for employers.