Examples with solutions for Vertical Addition: Addition of 3-digit and 1-digit numbers with the regrouping of tens

Exercise #1

amp;175+amp;amp;    5amp;776amp; \begin{aligned} &175 \\ +& \\ &~~~~5 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

180

Exercise #2

amp;289+amp;amp;    1amp;776amp; \begin{aligned} &289 \\ +& \\ &~~~~1 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

290

Exercise #3

amp;377+amp;amp;    3amp;776amp; \begin{aligned} &377 \\ +& \\ &~~~~3 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

380

Exercise #4

amp;456+amp;amp;    4amp;776amp; \begin{aligned} &456 \\ +& \\ &~~~~4 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

460

Exercise #5

amp;631+amp;amp;    9amp;776amp; \begin{aligned} &631 \\ +& \\ &~~~~9 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

640

Exercise #6

amp;545+amp;amp;  45amp;776amp; \begin{aligned} &545 \\ +& \\ &~~45 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Answer

590