basic LaTeX math homework or notes template

template.tex

\documentclass[letterpaper,11pt]{article}
\usepackage[margin=1in,footskip=0.25in]{geometry}

\usepackage{titlesec} % tbh i forgot why this is here
\usepackage[parfill]{parskip} % this makes paragraph indentation consistent
\usepackage{amsthm, amssymb, amsmath} % math packages
\newcommand{\sectionbreak}{\clearpage} % optional: this pagebreaks at every section

% optional: common shorthands
\newcommand{\bb}[1]{\mathbb{#1}}

\begin{document}
\section*{foo}
\end{document}