Color Coded FACT FLUENCY - FACT FAMILY HOUSES - BUNDLE is an effective Visual Technique and RESPONSE TO INTERVENTION Strategy for this First Grade Math Skill. This resource provides multiple levels of activities for Math Intervention for whole-group or small group learning. This is an excellent MTSS/RTI Strategy for struggling 1st and 2nd grade Math students. Strategy Packages. These other sets provide practice for these Mental Math Strategies: *Doubles Facts *Doubles + 1 Facts *10 Facts *Pa