This is my preamble:
\documentclass{beamer}
\usetheme{CambridgeUS}
\usepackage{graphicx,mathabx}
\begin{document}
\begin{frame}
\titlepage
\frametitle{}
\end{frame}
\begin{frame}
\frametitle{Main Results}
\framesubtitle{Graphical Analysis}
\begin{figure}[h!]
\centering\includegraphics[width=0.6\textwidth] {example-image}
\caption{Effect of increasing $\widecheck{G}$, and decreasing $\widehat{G}$ on $x^*$}
\end{figure}
\end{frame}
\begin{frame}
\frametitle{Appendices}
\framesubtitle{Appendix 2}
\begin{table}[htbp]
\caption{Parametric values}
\begin{center}
\begin{tabular}{|c|c|c|}\hline
Parameter & Value\\\hline
$\alpha$ & 0.6\\
$\beta$ & 0.5\\
$\widehat{G}$ & 90\\
$\widecheck{G}$ & 50\\
$\bar{P}$ & 10\\\hline
\end{tabular}
\end{center}
\end{table}
\end{frame}
\end{document}
I want to number my figures and tables, such as "Figure 1: The title", "Table 1: Title". Right now, I have just "Figure:" and "Table:". This is for all the figures and tables, and they're not numbered. Also, I want the colons included.
