This video explains how to add double digit numbers. Sometimes you need to regroup and this video shows this process with matching colors of digits and base ten blocks. I chose this video because I think it explains regrouping in a simple way for people who need to see it with blocks. I think second grade kids will learn to add correctly by watching this video and practicing some problems.
This video is a song about carrying over in addition. I chose this video because it correctly teaching regrouping in a fun way. I think children can use this catchy tune to help them remember to carry over the ones when they get a group of ten.
This video shows how to add with regrouping. I chose to use this video because it shows numbers and base ten blocks to show the process. I also like the colors and illustrations. Children can use this to learn how to addition 2 digit numbers with regrouping the ones.