Vertical Addition: Addition of 3-digit and 2-digit numbers with some regrouping

$\begin{aligned} &156 \\ +& \\ &254 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

410

$\begin{aligned} &247 \\ +& \\ &363 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

610

$\begin{aligned} &376\\ +& \\ &234 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

610

$\begin{aligned} &555 \\ +& \\ &255 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

810

$\begin{aligned} &712 \\ +& \\ &198 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

910

$\begin{aligned} &728 \\ +& \\ &182 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

910

$\begin{aligned} &434 \\ +& \\ &376 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

810