FABULOUS Subtract-Integers with-Models Smartboard-Slides-Lesson that has 23 slides that includes practicing how to rewrite subtracting integers problem so that we add the opposite, modeling-subtracting-integers using counters, number lines, and subtracting-integers without-models. Everything you need to teach Subtraction of Integers. You'll enjoy using these slides year after year!WARNING: You MUST have SMART Technologies SMART software, and a SMARTBOARD to teach from, to effectively download, o