This website offers tremendous support; you can turn to Learn Zillion for both Math and ELA support. It offers video lessons with practice problems which target specific concepts that we are learning in class.
An important piece of information to share with you is that Learn Zillion offers free samples of instruction as well as a paid membership to access additional samples of instruction. That being said, I find that You Tube offers an incredible supply of free Learn Zillion videos that are no longer offered for free on Learn Zillion's website. I share that in case you do go on to Learn Zillion and you don't find as much support as you may have originally anticipated. (I've found that to be true myself...and so I share this with you!). I will be updating this page with direct links to concepts we have covered in math class. In the interim, if there are specific concepts that you and your child want to target, I'd "google search" the mathematical concept with Learn Zillion. (For example: Google search "multiples and factors Learn Zillion.") Several free links that offer instruction through multiple strategies will be accessible, (and again, without paying for that membership!). Another wonderful thing about this is that the strategies that we're learning with repeat, (such as using a number line). With continued practice, and across concepts, it's a wonderful resource as the kids have been exposed to and learning with these resources that are used in the Learn Zillion instructional videos.
Again, the site also offers a great amount of ELA support. It's definitely worth your while exploring. It's a favorite of mine. I hope that you, too, find it helpful!