Going online this year and need a way for students to take notes and access anchor charts? Check out this Sourcebook created specifically for 3rd grade math skills! For years, I've done interactive notebooks with my students as a way to give them a resource to refer to when they need help on their math work. This resource is a result of the transfer to online learning. I still want my students to have a reference when they are working independently, so I've converted my math sourcebook to a digi