Official College Transcripts (Include B.Sc./B.A. , M.Sc./M.A. transcripts). Three Recommendation letters (at least two academic).Ask your professors for recommendation letters.
Resume(describe your Education, Work and Professional experiences and publications, if any).
Test Scores
Some department recommened GRE. High GRE Score - High chances of earning financial support.Send official test scores, if possible. Otherwise you may send photocopy or scanned copy of test score.
Statement of Purpose/Personel Essay
This essay is very important.Include your academic background, reasons for choosing mathematics as a major, your academic interests, your future plans, reasons for choosing USA for graduate studies and your plans after pursuing graduate studies.
Application fee
First write an email asking for waiving the fee or deferring fee until your admission.If they waive or defer the application fee, you are lucky. Otherwise you need to pay the application fee.
Send the completed application package to the departmental address.Department will forward your application to the Graduate School.
Almost all US mathematics graduate programs admit students with full support in the form of teaching assistantship or research assistantship. The quality and quantity of teaching assignments varies from institution to institution.
Graduate Record Exam (GRE) resources: