This First grade math digital and printable resource focuses on using strategies to add within 20. Students will gain practice in doubles, doubles +1, making a ten to add, and counting on. What’s included? Slides that can be used with an interactive board or with a regular projector.Warm - Up, Try It Out, Practice, Challenge and Assessment OpportunitiesLearning Mats (laminate or place in sheet protectors)Activity / Game with recording sheetAnchor chartsOpportunities for whole group and sm