\documentclass[11pt]{article}

% Declare some LaTeX packages for this document
%-------------------------------------------------------------------------------
\usepackage{amsmath}            % AMS enhancements for mathematical formulas
\usepackage{amsthm}             %     ... for theorem environments
\usepackage{amssymb,latexsym}   %     ... for additional mathematical symbols
\usepackage{graphicx}           % For graphics inclusion (e.g., PDF files)
\usepackage{verbatim}           % Useful for including code snippets
\usepackage{enumerate}          % Makes enumerated lists simpler to control
\usepackage[left=1in,right=1in,top=0.75in,bottom=0.5in]{geometry} % sets margins
%-------------------------------------------------------------------------------

\pagestyle{myheadings}
\markright{Math 1234}   % Heading for pages 2 onward

\begin{document}
\thispagestyle{empty}   % No page header for page 1

\end{document}
