This is an addition problem because we want to know how many pieces of candy when I put the sucker, chocolate and gummies together. When we put things together we are adding. 

We can start at \(\displaystyle 1\) and count up \(\displaystyle 7\).

\(\displaystyle 1,2,3,4,5,6,7,8\)

Then we can count up \(\displaystyle 3\).

\(\displaystyle 8,9,10,11\)

\(\displaystyle \frac{\begin{array}[b]{r}1\\ 7\\+\ 3\end{array}}{ \ \ \space 11}\)

This is an addition problem because we want to know how many total bags the family has altogether. When we put things together we are adding. 

We can start at \(\displaystyle 2\) and count up \(\displaystyle 1\).

\(\displaystyle 2,3\)

Then we can count up \(\displaystyle 4\).

\(\displaystyle 3,4,5,6,7\)

\(\displaystyle \frac{\begin{array}[b]{r}2\\ 1\\+\ 4\end{array}}{ \ \ \ \space 7}\)

This is an addition problem because we want to know how many total rooms are in the three houses altogether. When we put things together we are adding. 

We can start at \(\displaystyle 4\) and count up \(\displaystyle 7\).

\(\displaystyle 4,5,6,7,8,9,10,11\)

Then we can count up \(\displaystyle 3\).

\(\displaystyle 11,12,13,14\)

\(\displaystyle \frac{\begin{array}[b]{r}4\\ 7\\+\ 3\end{array}}{ \ \ \space 14}\)

This is an addition problem because we want to know how many total balloons there are when we put the balloons on the mailbox, door, and in the house altogether. When we put things together we are adding. 

We can start at \(\displaystyle 2\) and count up \(\displaystyle 3\).

\(\displaystyle 2,3,4,5\)

Then we can count up \(\displaystyle 12\).

\(\displaystyle 5,6,7,8,9,10,11,12,13,14,15,16,17\)

\(\displaystyle \frac{\begin{array}[b]{r}2\\ 3\\+\ 12\end{array}}{ \ \ \ \space 17}\)

This is an addition problem because we want to know how many pets the store has when we put the fish, kittens, and bunnies together. When we put things together we are adding. 

We can start at \(\displaystyle 5\) and count up \(\displaystyle 12\).

\(\displaystyle 5,6,7,8,9,10,11,12,13,14,15,16,17\)

Then we can count up \(\displaystyle 2\).

\(\displaystyle 17,18,19\)

\(\displaystyle \frac{\begin{array}[b]{r}5\\ 12\\+\ \ 2\end{array}}{ \ \ \ \space 19}\)

This is an addition problem because we want to know how many total balls the family hit together. When we put things together we are adding. 

We can start at \(\displaystyle 5\) and count up \(\displaystyle 11\).

\(\displaystyle 5,6,7,8,9,10,11,12,13,14,15,16\)

Then we can count up \(\displaystyle 3\).

\(\displaystyle 16,17,18,19\)

\(\displaystyle \frac{\begin{array}[b]{r}5\\ 11\\+\ \ 3\end{array}}{ \ \ \space 19}\)

This is an addition problem because we want to know how many total pieces of fruit Megan has when we put the apples, organes, and bananas together. When we put things together we are adding. 

We can start at \(\displaystyle 6\) and count up \(\displaystyle 8\).

\(\displaystyle 6,7,8,9,10,11,12,13,14\)

Then we can count up \(\displaystyle 2\).

\(\displaystyle 14,15,16\)

\(\displaystyle \frac{\begin{array}[b]{r}6\\ 8\\+\ 2\end{array}}{ \ \ \space 16}\)

This is an addition problem because we want to know how many pieces of paper Tim needs when we put the three colors together. When we put things together we are adding. 

We can start at \(\displaystyle 7\) and count up \(\displaystyle 3\).

\(\displaystyle 7,8,9,10\)

Then we can count up \(\displaystyle 3\).

\(\displaystyle 10,11,12,13\)

\(\displaystyle \frac{\begin{array}[b]{r}7\\ 3\\+\ 3\end{array}}{ \ \ \space 13}\)

This is an addition problem because we want to know how many total marbles are in the bag when we put the colors together. When we put things together we are adding. 

We can start at \(\displaystyle 2\) and count up \(\displaystyle 3\).

\(\displaystyle 2,3,4,5\)

Then we can count up \(\displaystyle 6\).

\(\displaystyle 5,6,7,8,9,10,11\)

\(\displaystyle \frac{\begin{array}[b]{r}2\\ 3\\+\ 6\end{array}}{ \ \ \space 11}\)

This is an addition problem because we want to know how many total dogs are at the park altogether. When we put things together we are adding. 

We can start at \(\displaystyle 5\) and count up \(\displaystyle 3\).

\(\displaystyle 5,6,7,8\)

Then we can count up \(\displaystyle 1\).

\(\displaystyle 8,9\)

\(\displaystyle \frac{\begin{array}[b]{r}5\\ 3\\+\ 1\end{array}}{ \ \ \ \space 9}\)