Add 945 and 45: Vertical Addition Practice

To solve this problem, we need to add 945 and 45 using vertical addition. We'll do this step by step:

Step 1: Write both numbers vertically, aligning them by place value:

$\begin{array}{c} 945 \\ +45 \\ \underline{\phantom{000}} \end{array}$

Step 2: Start adding from the rightmost column (the units):

• Add the units place: $5 + 5 = 10$. Write 0 in the units place and carry over 1 to the next tens place.

$\begin{array}{c} &1 \\ 945 \\ +45 \\ \underline{\phantom{00}0} \end{array}$

Step 3: Move to the tens place and add, including the carryover:

• Add tens place: $4 + 4 + 1 = 9$. Write 9 in the tens place.

$\begin{array}{c} 945 \\ +45 \\ \underline{\phantom{0}90} \end{array}$

Step 4: Finally, add the hundreds place:

• Add hundreds place: Since there is no carryover, $9 + 0 = 9$.

$\begin{array}{c} 945 \\ +45 \\ \underline{990} \end{array}$

Therefore, the sum of 945 and 45 is $990$.