Examples with solutions for Vertical Addition: Addition of 3-digit and 2-digit numbers with the regrouping of tens

Exercise #1

amp;178+amp;amp;  12amp;776amp; \begin{aligned} &178 \\ +& \\ &~~12 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

190

Exercise #2

amp;234+amp;amp;  16amp;776amp; \begin{aligned} &234 \\ +& \\ &~~16 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

250

Exercise #3

amp;857+amp;amp;  23amp;776amp; \begin{aligned} &857 \\ +& \\ &~~23 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

880

Exercise #4

amp;917+amp;amp;  73amp;776amp; \begin{aligned} &917 \\ +& \\ &~~73 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

990