**This product is featured in an Edutopia post about promoting talk in math class here: https://www.edutopia.org/article/more-talking-math-class-please **Humans are social creatures. We use conversation to process information. Whether it's how you hurt my feelings on the playground or why two sets of items are not equal, we can deepen our understanding through explaining and listening.This set of Math Talk Discussion Cards/Slides is a powerful tool for building number sense. Students have an opp