This is a site shared by one of the Annieville teachers I thought you might appreciate:
I’m not sure if you know about Math Frog Waterloo …..
https://cemc2.math.uwaterloo.ca/mathfrog/
It’s a resource from the University of Waterloo. I’ve been uisng it for several years and it is definitely worth checking out if you’re unfamiliar with it.
It has educational games and on the teacher/parent site it has worksheets and answer sheets as well. Sometimes the worksheets are a tad difficult so they’re not always useful, however the games are a great way to help those students who have some missing pieces in their math understanding. It’s all free and accessible to all. FYI….not all the games will upload and that can be annoying. I find that they work the best on Safari.