If you want to simply practice, warmups and exercises will be your best option.
When studying for each round (Chapter, State, then Nationals) make sure you keep your time, and check over each problem that you got wrong.
If you are out of all the competition material, go through the mock tests.
When studying for each round (Chapter, State, then Nationals) make sure you keep your time, and check over each problem that you got wrong.
If you are out of all the competition material, go through the mock tests.