Acquaint yourself with crucial documents you may inevitably encounter in the working world.

Form W-4—You'll probably fill out this Employee's Withholding Allowance Certificate when you start a new job to determine how much you want withheld from your paycheck for taxes.

Form W-2—You should receive this Wage and Tax Statement from your employer in electronic or paper form. Use it to file your federal and state income tax returns.

Form 1099—Your financial institution will send this to you if you've earned interest, sold an investment or received dividends during the tax year.

A paycheck—Whether you get a paper or electronic statement each pay period, you should make sure it's accurate.