Math lessons that do more than teach students to rotely memorize math facts and math procedures without demonstrating an understanding of the WHY can be challenging to plan, execute and keep exciting for our learners. In this 2 segment bundle, your “littles” will get to “do” and “see” the relationship between addition and subtraction. They will:Segment 1: collaborate with their peers, practice using number lines to both add and subtract numbers in order to develop their understanding of how co