Single Digit subtractions 1/2

1. $\begin{array}{r}
&9\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$


2. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$


3. $\begin{array}{r}
&4\\
-\!\!\!\!\!\,&1\\
\hline \\
\hline
\end{array}$


4. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&6\\
\hline \\
\hline
\end{array}$


5. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$


6. $\begin{array}{r}
&9\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$


7. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$


8. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$


9. $\begin{array}{r}
&5\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$


10. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$