Subtract $47$ from $49$

$\begin{array}{cccccccc}& \mathrm{T}& \mathrm{O}& & & & & \\ & & & & & & & \\ & 4& 9& =& \boxed{ } \text{tens}& \boxed{ } \text{ones}& & \\ -& 4& 7& =& \boxed{ } \text{tens}& \boxed{ } \text{ones}& & \\ & & & & \boxed{ } \text{tens}& \boxed{ } \text{ones}& =& \boxed{ }\end{array}$

Subtract these numbers in short form.

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 9& 6\\ -& 6& 6\\ & & \end{array}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 1\\ -& 1& 0\end{array}}{\begin{array}{ccc} & & \end{array}}$

Aditi has to read a book of $45$ pages. She has read $23$ pages. How many more pages she had to read $?$?

Subtract these numbers in short form.

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 6& 7\\ -& 5& 6\\ & & \end{array}$

Add:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 4& 2\\ -& 2& 1\end{array}}{\begin{array}{ccc} & & \end{array}}$

Add:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 8\\ -& 1& 2\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract these numbers in short form.

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 5& 9\\ -& 2& 4\\ & & \end{array}$

Subtract the following:

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 7& 5\\ -& 1& 5\\ & & \end{array}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 2& 4\\ -& 1& 4\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 7\\ -& 1& 7\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 4& 7\\ -& 2& 1\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 7\\ -& 1& 2\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 4& 9\\ -& 3& 2\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract these numbers in short form.

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 2& 0\\ -& 1& 0\\ & & \end{array}$

Meena has $46$ Toys. She gives $35$ Toys to her friends. How many toys does she have now $?$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 9\\ -& 1& 2\end{array}}{\begin{array}{ccc} & & \end{array}}$

Find the missing numbers:

$\underline{\begin{array}{ccc}& 7& 8\\ -& 3& ?\\ & ?& 5\end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 3& 9\\ -& 1& 3\end{array}}{\begin{array}{ccc} & & \end{array}}$

Subtract:

$\frac{\begin{array}{ccc} & \mathrm{T}& \mathrm{O}\\ & 4& 9\\ -& 2& 7\end{array}}{\begin{array}{ccc} & & \end{array}}$