I made a video for these students that need to start 2 digit addition. I needed to make sure they understand the concept place value first. Then I can go from there by teaching them to add 2 two-digit numbers and eventually regrouping.
Here is the video. Nothing fancy and easy to make. I referenced the straws that we use in our calendar math as well to tie in the "old" piece with the "new"piece. This is made with an ipevo camera and quicktime. Don't be intimidated. They are super easy and fun to make and you can use them year after year.