Pay attention in class. You will learn the skills much more easily if you listen to your teachers and interact in classroom activities. Math skills build on previous grades and information, so learning it properly from the beginning will make the achievement test easier.
Ask the teacher or a parent about confusing ideas. For example, if you are having trouble with division problems, ask the teacher for help. She can teach alternative methods to find the answers or adjust her explanation until you understand the problems.
Take practice tests, which are available online at websites like Math Slice. These sites offer grade-level math problems covering the skills you should know in fourth grade.
Make flash cards for math problems and facts on a 3-by-5 note cards. These are ideal for memorizing math rules and practicing different equations. Print the problem or the hint about the rule on one side, and the answer or the rule on the other. Have a classmate, parent or teacher give you the problem or hint and tell you if you have answered correctly.
Play online drill games. Math is not always fun to study, but these games, which require answering questions to advance to higher levels, help to make math more interesting. They help improve math skills and provide motivation for fourth graders to learn math concepts.