[Tex/LaTex] adjusting appendix title/ suppressing “Appendix A” title

appendicesformatting

I am trying to adjust the formatting for my appendix chapters. I am using a document class specific to my school, but many TeX suggestions for articles and reports seem to work.

I use the following commands:

\usepackage[titletoc]{appendix}
\begin{document}
\chapter{chapter 1 title}
text
\chapter{chapter 2 title}

\appendix
\chapter{Appendix chapter title 1}
text
\chapter{Appendix chapter title 2}
text
\end{document}

The titles for the appendices appear as:

Appendix A

Appendix chapter title 1

Appendix B

Appendix chapter title 2

What I'd like to do is suppress the "Appendix A" and "Appendix B" or alter them. that is, I'd like the title of the appendix to appear:

Appendix chapter title 1

Appendix chapter title 2

However, I'd like to maintain the number of figures and tables within the appendix. I'd appreciate any suggestions on how to do this!