Digital cubes manipulative resource to assist in developing foundational understanding of volume
Use this applet to determine the volume of a box by filling it with cubes, rows of cubes, or layers of cubes. Determine the surface area as well by using the box's net.
I often use this website to incorporate leveled texts to go along with the skill I am teaching. Teaching at a Cyber School, I use this a lot
Online guided reading program with interactive ebooks, downloadable books, and reading quizzes.