100% of the tips you receive is income and must be reported.
Downplaying the tips, including rounding down, is a violation of IRS regulations.
Aldridge, Inc. is a TRAC participant. Under TRAC, audits and potential IRS penalties for under-reporting are shifted from employers to those who receive the tips, in exchange for educating tipped employees on tip reporting requirements. Click here to read more about TRAC if you like.
Reporting all your tip income will yield a better credit rating for a car, home or apartment; and greater Unemployment Insurance, Worker's Compensation Insurance, Disability Insurance if you have it, and in your future, Social Security benefits.