Addition may come easy to some students and may not come as easy to other students which is why it is important to help your students establish a strong foundation in addition. As I was looking into what element of addition I wanted to explore I remember how two digit addition with and without regrouping was a problem for myself during my math journey. When trying to figure out what should be carried over into the next column can be difficult if the foundation of adding is not strong. Children often find two digit addition a bit more complicated than single digit addition because they are solving for two numbers instead of just one. So to help with this topic I found a few resources : 1) a worksheet that incorporates a visual element of two digit addition and 2) a interactive video that breaks down how to add two digit numbers. Common Core Standards : CCSS.MATH.CONTENT.1.NBT.C.4 Add within 100, including adding a two-digit number and...