Normally, my teacher would give us a bunch of resouces. If this is not the case, I suggest just glancing back at all your past worksheets or thinking back the some tests in the past. That's what i do and I have never failed! :D
Okie here's how I study for a test I take as much notes as i can.Then I go back through the models and refresh my brain.You can do it as many times as you want another way is study before bed that should also help!