Papa gave me $25$ sweets to share with my friend. I gave my friend Anil $16$ sweets. Now I have only  sweets.

 

My father is $33$ years old. My mother is five years younger. So she must be _____ years old.

Papa and I want to go to Mumbai. His ticket will cost $98$ rupees. My ticket will cost $42$ rupees less. That means my ticket will cost _____ rupees.

Perform addition and determine the sum.

$\underline{\begin{array}{cc} 1& 8\\ + 2& 8\end{array} }$

Perform addition and determine the sum.​​​​​​​
$$\begin{gathered} \underline{\begin{array}{cc} 4& 2\\ + 2& 7\end{array} } \\ \underline{ } \end{gathered}$$

Add.

$\underline{\begin{array}{cc} 5& 7\\ + 3& 7\end{array} }$