Stuff Not Fluff

This product contains 15 PowerPoints, to teach subtraction fluency within 100, each following the same format: Using an open number line (adding up) to efficiently solve subtraction within 100 equations.Doing the same process as above (adding up), but without a number line.Using partial differences.5 questions for teachers to walk students through.4 questions (on one slide) for students to answer on their own.