Mrs. Karen has shared some information from the KCM Conference that has some great information and tools for students that are beginning to learn addition and subtraction. The PowerPoint is a little long but has some powerful information!
PowerPoint Presentation: https://docs.google.com/presentation/d/1fibRvSlIF_jD4jqtMa00a834R1ghfD13dDnAu8R0RoQ/present?ueb=true#slide=id.p17
I will be sending you an email with the resources that are attached to the presentation!! If you have any questions let us know! This is a great resource for K-2 teachers.