Share 'Software suggestions needed'

Hello: I'm new to MACUL, and I am looking for software recommendations. I am a new Media Tech at an elementary school. When I arrived here, the software on site was incredibly outdated. I have since gotten a site license for Study Island for grades 2-5. This program is working very nicely, but I really need ideas for Math for grades K-3. Many of our children are not at grade level and the Study…