Our class did a comparison among two- and three-digit addition techniques the opposite day. ?in advance within the 12 months, we practiced the 2-digit addition techniques intensive with a ramification of sports. ?we lately commenced working on three-digit addition and college students needed a refresher on a number of the strategies that they had learned earlier inside the yr. My students had a great know-how of every of these techniques earlier than we created the anchor chart and my motive in creating it changed into to assist college students see the similarities in applying the techniques between two-digit and three-digit addition. ?i also constantly make this chart a touch otherwise each year, relying on the wishes of my students, the sophistication of their thinking, and the phrases they have got chosen to label the techniques. ?it.